The following is an alphabetical list of medical prefixes and suffixes, along with their meanings, origin, and an English example.
Prefix or suffix |
Meaning |
Origin language and etymology |
Example(s)
|
a-, an-
|
Denotes an absence of
|
Ancient Greek ἀ-/ἀν- (a-/an-), without, not
|
Apathy, Analgia
|
ab-
|
away from
|
Latin
|
Abduction
|
abdomin(o)-
|
Of or relating to the abdomen
|
Latin (abdōmen), abdomen, fat around the belly
|
Abdomen
|
-ac, -acal
|
pertaining to
|
Greek -ακός (-akos)
|
cardiac, hydrophobiac, pharmacomaniacal
|
acanth(o)-
|
thorn or spine
|
Ancient Greek ἄκανθα (akantha), thorn
|
acanthion, acanthocyte, acanthoma, acanthulus
|
acous(io)-
|
Of or relating to hearing
|
Greek ἀκουστικός (acoustikos), of or for hearing
|
acoumeter, acoustician
|
acr(o)-
|
extremity, topmost
|
Greek ἄκρον (akron), highest or farthest point
|
Acrocrany, acromegaly, acroosteolysis, acroposthia
|
-acusis
|
hearing
|
Greek ἀκουστικός (acoustikos), of or for hearing
|
paracusis
|
-ad
|
toward, in the direction of
|
|
dorsad
|
ad-
|
increase, adherence, motion toward, very
|
Latin
|
Adduction
|
aden(o)-, aden(i)-
|
Of or relating to a gland
|
Ancient Greek ἀδήν, ἀδέν- (adēn, aden-), an acorn; a gland
|
Adenocarcinoma, adenology, adenotome, adenotyphus
|
adip(o)-
|
Of or relating to fat or fatty tissue
|
Latin (adeps, adip-), fat
|
Adipocyte
|
adren(o)-
|
Of or relating to adrenal glands
|
Latin
|
adrenal artery
|
-aemia (BrE)
|
blood condition
|
Greek ἀναιμία, without blood
|
Anaemia
|
aer(o)-
|
air, gas
|
Greek ἀήρ, ἀέρος
|
Aerosinusitis
|
aesthesio- (BrE)
|
sensation
|
Greek αἴσθησις
|
Anesthesia
|
-al
|
pertaining to
|
Latin -alis
|
abdominal
|
alb-
|
Denoting a white or pale color
|
Latin albus, white
|
Albino
|
alge(si)-
|
pain
|
Greek ἄλγος
|
Analgesic
|
-algia
|
pain
|
Greek
|
Myalgia
|
alg(i)o-
|
pain
|
Greek
|
Myalgia
|
allo-
|
Denoting something as different, or as an addition
|
Ancient Greek ἄλλος (allos), another, other
|
Alloantigen, allopathy
|
ambi-
|
Denoting something as positioned on both sides; Describing both of two
|
Latin (ambi-, ambo), both, on both sides
|
Ambidextrous
|
amnio-
|
Pertaining to the membranous fetal sac (amnion)
|
Greek ἄμνιον
|
Amniocentesis
|
amph-, amphi-
|
on both sides
|
Greek ἀμφί (amphi)
|
Amphicrania, amphismela, amphomycin
|
an-
|
not, without
|
Greek
|
Analgesia
|
ana-
|
back, again, up
|
Greek
|
Anaplasia
|
an(o)
|
anus
|
Latin
|
|
andr(o)-
|
pertaining to a man
|
Greek ἀνήρ, ἀνδρ-
|
Andrology, android
|
angi(o)-
|
blood vessel
|
Greek ἀγγεῖον
|
Angiogram
|
aniso-
|
Describing something as unequal
|
Ancient Greek ἄνῑσος (anīsos), unequal
|
Anisotropic, anisocytosis
|
ankyl(o)-, ancyl(o)-
|
Denoting something as crooked or bent
|
Ancient Greek ἀγκύλος (ankýlos), crooked, curved
|
Ankylosis
|
ante-
|
Describing something as positioned in front of another thing
|
Latin (āntē), before, in front of
|
antepartum
|
anti-
|
Describing something as 'against' or 'opposed to' another
|
Ancient Greek αντι (anti), against
|
Antibody, antipsychotic
|
apo-
|
separated from, derived from
|
Ancient Greek ἀπό
|
Apoptosis
|
arch(i,e,o)
|
first, primitive
|
|
archinephron : first formed kidney
|
arteri(o)-
|
Of or pertaining to an artery
|
Ancient Greek ἀρτηρία (artēría), a wind-pipe, artery (used distinctly versus a vein)
|
Artery, Arteriole
|
arthr(o)-
|
Of or pertaining to the joints, limbs
|
Ancient Greek αρθρος (arthros), a joint, limb
|
Arthritis
|
articul(o)-
|
joint
|
Latin articulum
|
Articulation
|
-ary
|
pertaining to
|
Latin -arius
|
bilary tract
|
-ase
|
enzyme
|
Greek διάστασις, division
|
Lactase
|
-asthenia
|
weakness
|
Greek, ἀσθένεια
|
Myasthenia gravis
|
atel(o)
|
imperfect or incomplete development
|
|
atelocardia : imperfect development of the heart
|
-ation
|
process
|
Latin
|
|
atri(o)-
|
an atrium (esp. heart atrium)
|
|
atrioventricular
|
aur(i)-
|
Of or pertaining to the ear
|
Latin (auris), the ear
|
Aural
|
aut(o)-
|
self
|
Greek αὐτο-
|
Autoimmune
|
aux(o)-
|
increase; growth
|
|
auxocardia : enlargement of the heart
|
axill-
|
Of or pertaining to the armpit [uncommon as a prefix]
|
Latin (axilla), armpit
|
Axilla
|
azo(to)
|
nitrogenous compound
|
|
azothermia : raised temperature due to nitrogenous substances in blood
|
Prefix/suffix |
Meaning |
Origin language and etymology |
Example(s)
|
capill-
|
Of or pertaining to hair
|
Latin (capillus), hair
|
Capillus
|
capit-
|
Pertaining to the head (as a whole)
|
Latin (caput, capit-), the head
|
Capitation
|
carcin(o)-
|
cancer
|
Greek καρκίνος (karkinos), crab
|
Carcinoma
|
cardi(o)-
|
Of or pertaining to the heart
|
Ancient Greek καρδία (kardía), heart
|
Cardiology
|
carp(o)-
|
Of or pertaining to the wrist
|
Latin (carpus) < Ancient Greek καρπός (karpós), wrist; NOTE: This root should not be confused with the mirror root carp(o)- meaning fruit.
|
Carpopedal
|
cata-
|
down, under
|
Greek κατά (kata)
|
Cataract
|
-cele
|
pouching, hernia
|
Ancient Greek κήλη (kēlē)
|
Hydrocele
|
-centesis
|
surgical puncture for aspiration
|
Ancient Greek κέντησις (kentēsis)
|
Amniocentesis
|
cephal(o)-
|
Of or pertaining to the head (as a whole)
|
Ancient Greek κεφαλή (képhalē), the head
|
Cephalalgy
|
cerat(o)-
|
Of or pertaining to the cornu; a horn
|
Ancient Greek κέρας, κερατ- (kéras, kerat-), a horn
|
Ceratoid
|
cerebell(o)-
|
Of or pertaining to the cerebellum
|
Latin (cerebellum), little brain
|
Cerebellum
|
cerebr(o)-
|
Of or pertaining to the brain
|
Latin (cerebrum), brain
|
Cerebrology
|
cervic-
|
Of or pertaining to the neck, the cervix
|
Latin (cervix, cervīc-), neck, cervix
|
Cervicodorsal
|
chem(o)-
|
chemistry, drug
|
Greek χημεία
|
Chemotherapy
|
chir(o)-, cheir(o)-
|
Of or pertaining to the hand
|
Ancient Greek χείρ, χειρο- (cheir, cheiro-), hand
|
Chiropractor
|
chlor(o)-
|
Denoting a green color
|
Ancient Greek χλωρός (chloros), green, yellow-green
|
Chlorophyll
|
chol(e)-
|
Of or pertaining to bile
|
Ancient Greek χολή (cholē), bile
|
Cholaemia
|
cholecyst(o)-
|
Of or pertaining to the gallbladder
|
Ancient Greek χοληκύστις (cholēkýstis), gallbladder < χολή (cholē), bile, gall + κύστις (kýstis), bladder
|
Cholecystectomy
|
chondr(i)o-
|
cartilage, gristle, granule, granular
|
Ancient Greek χονδρός (chondros)
|
Chondrocalcinosis
|
chrom(ato)-
|
color
|
Ancient Greek χρῶμα
|
Hemachromatosis
|
-cidal, -cide
|
killing, destroying
|
Latin
|
|
cili-
|
Of or pertaining to the cilia, the eyelashes; eyelids
|
< Latin (cilium), eyelash; eyelid
|
Ciliary
|
circum-
|
Denoting something as 'around' another
|
Latin (circum), around
|
Circumcision
|
cis-
|
on this side
|
Latin (cis)
|
|
clast
|
break
|
Greek κλαστός
|
|
co-
|
with, together, in association
|
Latin
|
|
col-, colo-, colono-
|
colon
|
|
Colonoscopy
|
colp(o)-
|
Of or pertaining to the vagina
|
Ancient Greek κόλπος (kólpos), bosom, womb; hollow, depth
|
Colposcopy
|
com-
|
with, together
|
Latin
|
|
contra
|
against
|
Latin
|
Contraindicate
|
cor-
|
with, together
|
Latin
|
|
cor-, core-, coro-
|
Of or pertaining to eye's pupil
|
Ancient Greek κόρη (kórē), girl, doll; pupil of the eye
|
Corectomy
|
cordi-
|
Of or pertaining to the heart [Uncommon as a prefix]
|
Latin (cor, cordi-), heart
|
Commotio cordis
|
cornu-
|
Applied to processes and parts of the body describing them likened or similar to horns
|
Latin (cornū), horn
|
|
cost(o)-
|
Of or pertaining to the ribs
|
Latin (costa), rib
|
Costochondral
|
cox-
|
Of or relating to the hip, haunch, or hip-joint
|
Latin (coxa), hip
|
Coxopodite
|
crani(o)-
|
Belonging or relating to the cranium
|
Latin (cranium) < Ancient Greek κρᾱνίον (krānion), the cranium, skull, bones enclosing the brain
|
Craniology
|
-crine
|
to secrete
|
|
Endocrine
|
cry(o)-
|
cold
|
Greek κρύος
|
Cryoablation
|
cutane-
|
skin
|
Latin
|
Subcutaneous
|
cyan(o)-
|
Denotes a blue color
|
Ancient Greek κύανος, κυάνεος (kýanos, kyáneos), blue
|
Cyanopsia
|
cycl-
|
circle, cycle
|
Greek κύκλος (kuklos)
|
|
cyph(o)-
|
Denotes something as bent [uncommon as a prefix]
|
Ancient Greek κυφός (kȳphós), bent, hunchback
|
Cyphosis
|
cyst(o)-, cyst(i)-
|
Of or pertaining to the urinary bladder
|
Ancient Greek κύστις (kýstis), bladder; cyst
|
Cystotomy
|
cyt(o)-
|
cell
|
Greek κύτος
|
Cytokine
|
-cyte
|
cell
|
Greek
|
Leukocyte
|
Prefix/suffix |
Meaning |
Origin language and etymology |
Example(s)
|
-eal
|
pertaining to
|
Latin
|
|
ec-
|
out, away
|
Greek ἐκ- (ek-)
|
|
ect(o)-
|
outer, outside
|
Greek ἐκτός
|
Ectopic pregnancy
|
-ectasis
|
expansion, dilation
|
Ancient Greek ἔκτασις
|
Bronchiectasis
|
-ectomy
|
Denotes a surgical operation or removal of a body part. Resection, excision
|
Ancient Greek ἐκτομή (ectomē), excision
|
Mastectomy
|
-emesis
|
vomiting condition
|
Greek ἕμεσις
|
Hematemesis
|
-emia
|
blood condition (AmE)
|
Greek ἀν-αιμία, without blood
|
Anemia
|
encephal(o)-
|
Of or pertaining to the brain. Also see Cerebro.
|
Ancient Greek ἐγκέφαλος (enképhalos), the brain
|
Encephalogram
|
endo-
|
Denotes something as 'inside' or 'within'
|
Ancient Greek ἐνδο- (endo-), inside, internal
|
Endocrinology, Endospore
|
enter(o)-
|
Of or pertaining to the intestine
|
Ancient Greek ἔντερον (énteron), intestine
|
Gastroenterology
|
epi-
|
[Same as Greek meaning: on, upon]
|
Ancient Greek ἐπι- (epi-), before, upon, on, outside, outside of
|
Epistaxis, epicardium, episclera, epidural
|
episi(o)-
|
Of or pertaining to the pubic region, the loins
|
Ancient Greek ἐπίσιον- (epísion), the pubic area, loins; vulva
|
Episiotomy
|
erythr(o)-
|
Denotes a red color
|
Ancient Greek ἐρυθρός (erythros), red
|
Erythrocyte
|
-esophageal, -esophago
|
gullet (AmE)
|
Greek οἰσοφάγος
|
|
esthesio-
|
sensation (AmE)
|
Greek αἴσθησις
|
|
eu- |
true, good, well, new |
Greek |
Eukaryote
|
ex-
|
out of, away from
|
Latin
|
|
exo-
|
Denotes something as 'outside' another
|
Ancient Greek ἐξω- (exo-), outside of, external
|
Exoskeleton
|
extra-
|
outside
|
Latin
|
|
Prefix/suffix |
Meaning |
Origin language and etymology |
Example(s)
|
galact(o)-
|
milk
|
Greek γάλα, γαλακτ-
|
Galactorrhea
|
gastr(o)-
|
Of or pertaining to the stomach
|
Ancient Greek γαστήρ (gastēr), γαστρ-, stomach, belly
|
Gastric bypass
|
-gen
|
(1) Denotes the sense 'born in, from' (2) Denotes the sense 'of a certain kind'
|
Ancient Greek -γενής (-genēs) < γεν-νάειν (gen-náein), to be born
|
(1) Endogen; (2) Heterogenous
|
-genic
|
Formative, pertaining to producing
|
Greek
|
Cardiogenic shock
|
genu-
|
Of or pertaining to the knee
|
Latin (genū), knee
|
Genu valgum
|
gingiv-
|
Of or pertaining to the gums
|
Latin (gingīva), gum
|
Gingivitis
|
glauc(o)-
|
Denoting a grey, bluish-grey color
|
Ancient Greek γλαῦκος (glaúkos), grey, bluish-grey
|
Glaucoma
|
gloss(o)-, glott(o)-
|
Of or pertaining to the tongue
|
Ancient Greek γλῶσσα, γλῶττα (glōssa, glōtta), tongue
|
Glossology
|
gluco-
|
glucose
|
Greek γλυκός, sweet
|
Glucocorticoid
|
glyco-
|
sugar
|
|
Glycolysis
|
gnath(o)-
|
Of or pertaining to the jaw
|
Ancient Greek γνάθος (gnáthos), jaw
|
Gnathodynamometer
|
-gnosis
|
knowledge
|
Greek
|
diagnosis, prognosis
|
gon(o)-
|
seed, semen; also, reproductive
|
Ancient Greek γόνος
|
Gonorrhea
|
-gram
|
record or picture
|
Greek γράμμα
|
Angiogram
|
-graph
|
record or picture
|
Ancient Greek -γραφία (-graphía), written, drawn, graphic interpretation
|
Electrocardiograph
|
-graphy
|
process of recording
|
|
Angiography
|
gyn(aec)o- (BrE), gyn(ec)o- (AmE)
|
woman
|
Greek γυνή, γυναικ-
|
Gynecomastia
|
Prefix/suffix |
Meaning |
Origin language and etymology |
Example(s)
|
halluc-
|
to wander in mind
|
Classical Latin to wander in mind
|
Hallucinosis
|
hemat-, haemato- (haem-, hem-)
|
Of or pertaining to blood
|
Latin (hæma) < Ancient Greek αἵμα, αἱματ- (haima, haimat-), blood
|
Hematology, older form Haematology
|
hema or hemo-
|
blood (AmE)
|
Greek
|
Hematological malignancy
|
hemi-
|
one-half
|
Ancient Greek ἡμι- (hēmi-), "half"
|
Cerebral hemisphere
|
hepat- (hepatic-)
|
Of or pertaining to the liver
|
Ancient Greek ἥπαρ, ἡπατο- (hēpar, hēpato-), the liver
|
Hepatology
|
heter(o)-
|
Denotes something as 'the other' (of two), as an addition, or different
|
Ancient Greek ἕτερος (héteros), the other (of two), another; different
|
Heterogeneous
|
hidr(o)-
|
sweat
|
Greek ἱδρωτ-
|
Hyperhidrosis
|
hist(o)-, histio-
|
tissue
|
Greek ἱστός
|
Histology
|
home(o)-
|
similar
|
Ancient Greek ὅμοιος (homoios)
|
Homeopathy
|
hom(o)-
|
Denotes something as 'the same' as another or common
|
Ancient Greek ὁμο- (homo-), the same, common
|
Homosexuality
|
humer(o)-
|
Of or pertaining to the shoulder (or [rarely] the upper arm)
|
Incorrect Etymology < Latin (umerus), shoulder
|
Humerus
|
hydr(o)-
|
water
|
Greek ὕδωρ
|
Hydrophobe
|
hyper-
|
Denotes something as 'extreme' or 'beyond normal'
|
Ancient Greek ὑπέρ (hyper), over, above; beyond, to the extreme
|
Hypertension
|
hyp(o)-
|
Denotes something as 'below normal'
|
Ancient Greek ὑπ(ο)- (hypo-), below, under
|
Hypovolemia,
|
hyster(o)-
|
Of or pertaining to the womb, the uterus
|
Ancient Greek ὑστέρα (hystéra), womb
|
Hysterectomy
|
Prefix/suffix |
Meaning |
Origin language and etymology |
Example(s)
|
macr(o)-
|
large, long
|
Greek μακρός
|
Macrophage
|
-malacia
|
softening
|
Greek μαλακία
|
Osteomalacia
|
mamm(o)-
|
Of or pertaining to the breast
|
Latin (mamma), breast; udder
|
Mammogram
|
mammill(o)-
|
Of or pertaining to the nipple
|
Latin (mammilla), nipple
|
|
manu-
|
Of or pertaining to the hand
|
Latin (manus), hand
|
Manufacture
|
mast(o)-
|
Of or pertaining to the breast
|
Ancient Greek μαστός (mastós), breast, women's breast; man's pectoral muscle
|
Mastectomy
|
meg(a)-, megal(o)-, -megaly
|
enlargement
|
Greek μέγας
|
Splenomegaly
|
melan(o)-
|
black color
|
Ancient Greek μέλας, μελανο- (melas, melano-), black; dark
|
Melanin
|
melos
|
extremity
|
Ancient Greek μέλος
|
erythromelalgia
|
mening(o)-
|
membrane
|
Greek μῆνιγξ, μηνιγγ-
|
Meningitis
|
mero-
|
part
|
Greek μέρος (meros), part
|
merocrine, meroblastic
|
mes(o)-
|
middle
|
Ancient Greek μέσος (mesos), "middle"
|
Mesoderm
|
meta-
|
after, behind
|
Greek μετά
|
Metacarpus
|
-meter
|
measurement
|
Greek μέτρον
|
Sphygmomanometer
|
-metry
|
process of measuring
|
Greek -μετρία
|
Optometry
|
metr(o)-
|
Pertaining to conditions or instruments of the uterus
|
Ancient Greek μήτρᾱ (mētrā), womb, uterus
|
Metrorrhagia
|
micro-
|
denoting something as small, or relating to smallness
|
Ancient Greek μικρός (mikros), small
|
Microscope
|
mon(o)-
|
single
|
Greek μονός
|
Infectious mononucleosis
|
morph(o)-
|
form, shape
|
Greek μορφή
|
Morphology
|
muscul(o)-
|
muscle
|
Latin
|
Musculoskeletal system
|
my(o)-
|
Of or relating to muscle
|
Ancient Greek μῦς, μυ- (mys, my-), muscle; mouse; mussel
|
Myoblast
|
myc(o)-
|
fungus
|
Greek μύκης, μυκητ-
|
Onychomycosis
|
myel(o)-
|
Of or relating to bone marrow
|
Ancient Greek μυελόν (myelon), marrow; bone-marrow
|
Myeloblast
|
myring(o)-
|
eardrum
|
Latin myringa
|
Myringotomy
|
myx(o)-
|
mucus
|
Greek μύξα
|
Myxoma
|
Prefix/suffix |
Meaning |
Origin language and etymology |
Example(s)
|
ocul(o)-
|
Of or pertaining to the eye
|
Latin (oculus), the eye
|
Oculist
|
odont(o)-
|
Of or pertaining to teeth
|
Ancient Greek ὀδούς, ὀδοντ- (odoús, odont-), tooth
|
orthodontist
|
odyn(o)-
|
pain
|
Greek ὀδύνη
|
stomatodynia
|
-oesophageal, oesophago- (BrE)
|
gullet
|
Greek οἰσοφάγος
|
|
-oid
|
resemblance to
|
Greek -οειδής
|
Sarcoidosis
|
ole
|
small or little
|
Latin
|
|
olig(o)-
|
Denoting something as 'having little, having few'
|
Ancient Greek ὀλίγος (oligos), few
|
Oligotrophy
|
om(o)-
|
Of or pertaining to the shoulder
|
Ancient Greek ὠμός (ōmos), shoulder
|
Omoplate
|
-oma (singular), -omata (plural)
|
tumor, mass, collection
|
Greek -ωμα
|
Sarcoma, Teratoma
|
omphal(o)-
|
Of or pertaining to the navel, the umbilicus
|
Ancient Greek ὀμφαλός (omphalós), navel, belly-button
|
Omphalotomy
|
onco-
|
tumor, bulk, volume
|
Greek ὄγκος
|
Oncology
|
onych(o)-
|
Of or pertaining to the nail (of a finger or toe)
|
Ancient Greek < ὄνυξ, ὀνυχο- (ónyx, ónycho-), nail; claw; talon
|
Onychophagy
|
oo-
|
Of or pertaining to the an egg, a woman's egg, the ovum
|
Ancient Greek ᾠόν, ᾠο- (ōón, ōo-), egg, ovum
|
Oogenesis
|
oophor(o)-
|
Of or pertaining to the woman's ovary
|
Neoclassical Greek ᾠοφόρον (ōophóron), ovary, egg-bearing
|
Oophorectomy
|
ophthalm(o)-
|
Of or pertaining to the eye
|
Ancient Greek ὀφθαλμός (ophthalmós), the eye
|
Ophthalmology
|
optic(o)-
|
Of or relating to chemical properties of the eye
|
Middle French (optique) < Greek ὀπτικός (optikós); Cognate with Latin oculus, relating to the eye
|
Opticochemical
|
or(o)-
|
Of or pertaining to the mouth
|
Latin (ōs, or-), mouth
|
Oral
|
orchi(o)-, orchido-
|
testis
|
Greek ὀρχις (orkhis, orkhi-)
|
Orchiectomy, Orchidectomy
|
orth(o)-
|
Denoting something as straight or correct
|
Ancient Greek ὀρθός (orthos), straight, correct, normal
|
Orthodontist
|
-osis
|
a condition, disease or increase
|
Greek -ωσις
|
Harlequin type ichthyosis, Psychosis, osteoperosis
|
osseo-
|
bony
|
Latin
|
|
ossi-
|
bone
|
Latin
|
Peripheral ossifying fibroma
|
ost(e)-, oste(o)-
|
bone
|
Greek ὀστέον
|
Osteoporosis
|
ot(o)-
|
Of or pertaining to the ear
|
Ancient Greek οὖς, ὠτ- (ous, ōt-), the ear
|
Otopathy
|
-ous
|
pertaining to
|
Latin -osus
|
|
ovari(o)-
|
Of or pertaining to the ovaries
|
Latin (ōvarium), ovary
|
Ovariectomy
|
ovo-, ovi-, ov-
|
Of or pertaining to the eggs, the ovum
|
Latin (ōvum), egg, ovum
|
Ovogenesis
|
oxo-
|
addition of oxygen
|
Greek ὀξύς
|
|
oxy-
|
sharp, acid, acute, oxygen
|
Greek ὀξύς
|
|
Prefix/suffix |
Meaning |
Origin language and etymology |
Example(s)
|
pachy-
|
thick
|
Greek παχύς
|
pachyderma
|
palpebr-
|
Of or pertaining to the eyelid [uncommon as a root]
|
Latin (palpebra), eyelid
|
Palpebra
|
pan-, pant(o)-
|
Denoting something as 'complete' or containing 'everything'
|
Ancient Greek πᾶς, παν- (pas, pan-), all, every
|
panophobia, panopticon
|
papill-
|
Of or pertaining to the nipple (of the chest/breast)
|
Latin (papilla), nipple; dimunitive of papula (see below)
|
Papillitis
|
papul(o)-
|
Indicates papulosity, a small elevation or swelling in the skin, a pimple, swelling
|
Latin (papula), pimple, pustle; a small elevation or swelling in the skin
|
Papulation
|
para-
|
alongside of, abnormal
|
Ancient Greek παρά
|
|
-paresis
|
slight paralysis
|
Greek πάρεσις
|
hemiparesis
|
parvo-
|
small
|
Latin parvus
|
Parvovirus
|
path(o)-
|
disease
|
Greek πάθος
|
Pathology
|
-pathy
|
Denotes (with a negative sense) a disease, or disorder
|
Ancient Greek πάθος (pathos), suffering, accident
|
sociopathy, neuropathy
|
ped-, -ped-, -pes
|
Of or pertaining to the foot; -footed
|
Latin (pēs, pēd-), foot
|
Pedoscope
|
pelv(i)-, pelv(o)-
|
hip bone
|
Latin
|
Pelvis
|
-penia
|
deficiency
|
Greek πενία
|
osteopenia
|
peo-
|
Of or pertaining to the penis
|
Greek πέος (peos)
|
Peotomy
|
-pepsia
|
Denotes something relating to digestion, or the digestive tract.
|
Ancient Greek πεπτός (peptós) cooked, digested < πέσσω (péssō) I boil, cook; digest
|
Dyspepsia
|
per-
|
through
|
Latin
|
|
peri-
|
Denoting something with a position 'surrounding' or 'around' another
|
Ancient Greek περί (peri), around
|
Periodontal
|
-pexy
|
fixation
|
Greek πῆξις
|
Nephropexy
|
phaco-
|
lens-shaped
|
Greek φακός
|
phacolysis, phacometer, phacoscotoma
|
-phage, -phagia
|
Forms terms denoting conditions relating to eating or ingestion
|
Ancient Greek φαγία (phagía) eating < φαγεῖν (phagein) to eat
|
Sarcophagia
|
-phago-
|
eating, devouring
|
Greek -φάγος
|
phagocyte
|
phagist-:
|
Forms nouns that denote a person who 'feeds on' the first element or part of the word
|
Ancient Greek φαγιστής (phagistēs) eater; see -phagia
|
Lotophagi
|
-phagy
|
Forms nouns that denotes 'feeding on' the first element or part of the word
|
Ancient Greek φαγία (phagia) eating; see -phagia
|
Anthropophagy
|
phallo-
|
phallus
|
Greek φαλλός (phallos)
|
Aphallia
|
pharmaco-
|
drug, medication
|
Greek φάρμακον
|
pharmacology
|
pharyng(o)-
|
Of or pertaining to the pharynx, the upper throat cavity
|
Ancient Greek φάρυγξ, φαρυγγ- (phárynx, pháryng-), throat, windpipe; chasm
|
Pharyngitis, Pharyngoscopy
|
-phil(ia)
|
attraction for
|
Greek φιλία
|
Hemophilia
|
phleb(o)-
|
Of or pertaining to the (blood) veins, a vein
|
Ancient Greek φλέψ, φλεβ- (phleps, phlebo-), blood-vessel, vein
|
Phlebography, Phlebotomy
|
phob(o)-
|
exaggerated fear, sensitivity
|
Greek φόβος
|
arachnophobia
|
phon(o)-
|
sound
|
Greek φωνή
|
|
phos-
|
Of or pertaining to light or its chemical properties, now historic and used rarely. See the common root phot(o)- below.
|
Ancient Greek φῶς, φωτ- (phōs, phōt-), light
|
Phosphene
|
phot(o)-
|
Of or pertaining to light
|
Ancient Greek φῶς, φωτ- (phōs, phōt-), light
|
Photopathy
|
phren(i)-, phren(o)-, phrenico
|
[[diaphragm (anatomy)|diaphragm], the mind]
|
Greek φρήν, φρεν-
|
Phrenic nerve, schizophrenia
|
-plasia
|
formation, development
|
Greek πλάσις
|
Achondroplasia
|
-plasty
|
surgical repair, reconstruction
|
Greek πλαστός
|
rhinoplasty
|
-plegia
|
paralysis
|
Greek πληγή
|
paraplegia
|
pleio-
|
more, excessive, multiple
|
Greek pleion
|
pleiomorphism
|
pleur(o)-, pleur(a)
|
Of or pertaining to the ribs
|
Latin (pleura) < Ancient Greek πλευρόν (pleurón), rib, side of the body
|
Pleurogenous
|
-plexy
|
stroke or seizure
|
Greek πλῆξις
|
Cataplexy
|
pneum(o)-
|
Of or pertaining to the lungs
|
Ancient Greek πνεύμων, πνευμον- (pneumōn, pneumon-), lung < πνεῦμα (pneuma), wind, spirit
|
Pneumonocyte, Pneumonia
|
pneumat(o)-
|
air, lung
|
|
|
pod-, -pod-, -pus
|
Of or pertaining to the foot, -footed
|
Ancient Greek πούς, ποδ- (poús, pod-), foot
|
Podiatry
|
-poiesis
|
production
|
|
hematopoiesis
|
polio-
|
Denoting a grey color
|
Ancient Greek πολιός (poliós), grey
|
Poliomyelitis
|
poly-
|
Denotes a 'plurality' of something
|
Ancient Greek πολυς (polys), much, many
|
Polymyositis
|
por(o)-
|
pore, porous
|
|
|
porphyr(o)-
|
Denotes a purple color
|
Ancient Greek πορπύρα (porphýra), purple
|
Porphyroblast
|
post-
|
Denotes something as 'after' or 'behind' another
|
Latin (post), after, behind
|
Postoperation, Postmortem
|
pre-
|
Denotes something as 'before' another (in [physical] position or time)
|
Medieval Latin (pre-) < (Classical) Latin (præ), before, in front of
|
Prematurity
|
presby(o)-
|
old age
|
Greek
|
Presbyopia
|
prim-
|
Denotes something as 'first' or 'most-important'
|
Latin (prīmus), first, most important
|
Primary
|
pro-
|
Denotes something as 'before' another (in [physical] position or time)
|
Ancient Greek προ (pro), before, in front of
|
Procephalic
|
proct(o)-
|
anus, rectum
|
|
proctology
|
prot(o)-
|
Denotes something as 'first' or 'most-important'
|
Ancient Greek πρωτος (prōtos), first; principle, most important
|
Protoneuron
|
pseudo-
|
Denotes something false or fake
|
psych(e)-, psych(o)
|
Of or pertaining to the mind
|
Ancient Greek ψυχή (psyché), breath, life, soul
|
Psychology, Psychiatry
|
-ptosis
|
falling, drooping, downward placement, prolapse
|
|
Apoptosis
|
-ptysis
|
(a spitting), spitting, hemoptysis, the spitting of blood derived from the lungs or bronchial tubes
|
|
pulmon-, pulmo-
|
Of or relating to the lungs.
|
Latin (pulmo, pulmōn-, usually used in plural), a lung
|
pulmonary
|
pyel(o)-
|
pelvis
|
Ancient Greek (pyelos)
|
Pyelonephritis
|
pyo-
|
pus
|
Greek πύον
|
Pyometra
|
pyro-
|
fever
|
Greek πῦρ, πυρετός
|
Antipyretic
|
Prefix/suffix |
Meaning |
Origin language and etymology |
Example(s)
|
salping(o)-
|
Of or pertaining to the fallopian tubes
|
Ancient Greek σάλπιγξ, σαλπιγγ-, (sálpinx, salpingo-) trumpet [literally]
|
Salpingectomy
|
sangui-, sanguine-
|
Of or pertaining to blood
|
Latin (sanguis, sanguin-), blood
|
Sanguine
|
sarco-
|
muscular, fleshlike
|
Greek σάρξ, σαρκ-
|
sarcoma
|
schist(o)-
|
split, cleft
|
Greek σχιστός (schistos)
|
|
schiz(o)-
|
Denoting something 'split' or 'double-sided'
|
Ancient Greek σχιζω; Irregular formation of the verb σχίζειν (schizein), to cut, split
|
Schizophrenia
|
scler(o)-
|
hardness
|
Greek σκληρός
|
atherosclerosis
|
-sclerosis
|
hardening of the skin
|
Greek
|
Multiple sclerosis
|
scoli(o)-
|
twisted
|
Greek σκολιός (skolios)
|
scoliosis
|
-scope
|
instrument for viewing
|
Greek -σκόπος
|
stethoscope
|
-scopy
|
use of instrument for viewing
|
Greek -σκοπία
|
endoscopy
|
semi-
|
one-half, partly
|
Latin
|
|
sial(o)-
|
saliva, salivary gland
|
Greek σίαλος (sialos)
|
sialagogue
|
sigmoid(o)-
|
sigmoid, sigmoid colon
|
Greek σιγμοειδής
|
|
sinistr(o)-
|
left, left side
|
Latin
|
|
sinus-
|
Of or pertaining to the sinus
|
Latin (sinus), a curve, bend, bay
|
Sinusitis
|
sito-
|
food, grain
|
Greek σῖτος
|
|
somat(o)-, somatico-
|
body, bodily
|
Greek σῶμα
|
|
spasmo-
|
spasm
|
Greek σπασμός
|
|
sperma-, spermo-, spermato-
|
semen, spermatozoa
|
Greek σπέρμα (sperma)
|
Spermatogenesis
|
splanchn(i)-, splanchn(o)-
|
viscera
|
Greek σπλάγχνον
|
|
splen(o)-
|
spleen
|
Greek σπλήν, σπλην-
|
Splenectomy
|
spondyl(o)-
|
Of or pertaining to the spine, the vertebra
|
Greek σπόνδυλος / σφόνδυλος, (spóndylos / sphóndylos), the spine
|
Spondylitis
|
squamos(o)-
|
Denoting something as 'full of scales' or 'scaly'
|
Latin (sqāmōsus), full of scales; scaly
|
Squama
|
-stasis
|
stop, stand
|
Greek στάσις
|
|
-staxis
|
dripping, trickling
|
Greek στακτός
|
|
sten(o)-
|
Denoting something as 'narrow in shape' or pertaining to narrow-ness
|
Ancient Greek στενός (stenos), narrow; short
|
Stenography
|
steth(o)-
|
Of or pertaining to the upper chest, chest, the area above the breast and under the neck
|
Ancient Greek στῆθος (stēthos), chest, cuirass
|
Stethoscope
|
stheno-
|
strength, force, power
|
Greek σθένος
|
|
stom(a)
|
mouth
|
Greek στόμα
|
stomatognathic system
|
stomat(o)-
|
Of or pertaining to the mouth
|
Ancient Greek στόμα, στοματ- (stóma, stomat-), mouth
|
Stomatogastric
|
-stomy
|
creation of an opening
|
Greek -στομία
|
colostomy
|
sub-
|
beneath
|
Latin
|
subcutaneous tissue
|
super-
|
in excess, above, superior
|
Latin
|
superior vena cava
|
supra-
|
above, excessive
|
Latin
|
supraorbital vein
|
sy(l)-, sym-, syn-, sys-
|
Indicates similarity, likeness, or being together; Assimilates before some consonants: before l to syl-, s to sys-, before a labial to sym-.
|
Ancient Greek συν- (syn), with, together
|
Synalgia, Synesthesia, Syssarcosis
|
Prefix/suffix |
Meaning |
Origin language and etymology |
Example(s)
|
tachy-
|
Denoting something as fast, irregularly fast
|
Ancient Greek ταχύς (tachys), fast, quickly
|
Tachycardia
|
-tension, -tensive
|
pressure
|
Latin
|
Hypertension
|
thec-
|
case, sheath
|
Ancient Greek θήκη (theke)
|
Intrathecal
|
thel(e)-, thel(o)-
|
Of or pertaining to a nipple [uncommon as a prefix]
|
Ancient Greek θηλή (thēlē), a teat, nipple
|
Theleplasty
|
thely-
|
Denoting something as 'relating to a woman, feminine'
|
Ancient Greek θῆλυς (thēlys), female, feminine
|
Thelygenous
|
therm(o)-
|
heat
|
Ancient Greek θερμός
|
|
thorac(i)-, thorac(o)-, thoracico-
|
Of or pertaining to the upper chest, chest; the area above the breast and under the neck
|
Latin (thōrāx) < Ancient Greek θώραξ (thōrax), chest, cuirass
|
Thorax
|
thromb(o)-
|
Of or relating to a blood clot, clotting of blood
|
Ancient Greek θρόμβος (thrómbos), lump, piece, clot of blood
|
Thrombus, Thrombocytopenia
|
thyr(o)-
|
thyroid
|
Greek θυρεο-ειδής
|
thym(o)(ia)-
|
emotions
|
Greek: "thymos," spirit, soul; courage; breath, mind, emotions
|
dysthymia
|
-tic
|
pertaining to
|
Greek -τικός
|
|
toco-
|
childbirth
|
Greek τόκος
|
|
-tome
|
cutting instrument
|
Greek τομή
|
|
-tomy
|
act of cutting; incising, incision
|
Greek -τομία
|
Gastrotomy
|
tono-
|
tone, tension, pressure
|
Greek τόνος
|
|
-tony
|
tension
|
Greek -τονία
|
|
top(o)-
|
place, topical
|
Greek τόπος
|
|
tox(i)-, tox(o)-, toxico-
|
toxin, poison
|
Greek τοξικόν
|
Toxoplasmosis
|
trache(o)-
|
trachea
|
Greek τραχεία
|
|
trachel(o)-
|
Of or pertaining to the neck
|
Ancient Greek τράχηλος (tráchēlos), neck
|
Tracheotomy
|
trans-
|
Denoting something as moving or situated 'across' or 'through'
|
Latin (trāns), across, through
|
Transfusion
|
trich(i)-, trichia, trich(o)-
|
Of or pertaining to hair, hair-like structure
|
Ancient Greek θρίξ, τριχ(ο)- (thríx, trich(o)-), hair
|
Trichotomy
|
-tripsy
|
crushing
|
Greek τρίψις
|
Lithotripsy
|
-trophy
|
nourishment, development
|
Greek -τροφία, τροφή
|
Pseudohypertrophy
|
tympan(o)-
|
eardrum
|
Greek τύμπανον
|
Tympanocentesis
|
This section contains lists of different root classification (e.g. body components, quantity, description, etc.). Each list is alphabetized by English meanings, with the corresponding Greek and Latin roots given.