-
A-, An-
without, lack of (apnea--without breath)
-
ab-
away from (abnormal, abductor)
-
Ad-, Af-
to, toward (adductor, afferent, adhesion)
-
Ana-
up, back again (anabolic)
-
Anti-
against (antisepsis)
-
Apo-
away from (apochromatic--abnormal color)
-
Auto-
to do with self (autolysis, autopsy)
-
Bi-
relating to two (bifurcation (separation into two branches)
-
Brachy-
short (brachycephalia--short head)
-
Brady-
slow (bradycardia, bradypnea---slow breathing)
-
Circum-
around (circumflex--winding about, circumcicion)
-
Con-
with (congenital--born with)
-
Contra-
against, opposite (contraception)
-
Crypto-
hidden, concealed (cryptorchid--undescended testicle)
-
-
De-
away from (dehydrate)
-
Dextro-
right (dextrocardia--pertaining to the right side of the body)
-
Di-
twice, double (diplopia--double vision)
-
Dia-
through, apart, across ( diaphragm, diapadesis)
-
Dys-
bad, difficult (dyspnea--breathing, dysphagia--eating)
-
E-, Ex-, Ef-
out, away from (eviscerate--remove viscera, efferent)
-
Ec-, Ecto-
out, outside (eccentric, ectopic---out of place)
-
Em-, En-
in (encephalopathy---any brain disease)
-
Endo-
within (endometrium--inner lining of uterus, endoscope)
-
-
Eu-
well, good, normal (euphoria, euthyroid, eupea)
-
Gravis-
heavy (gravida--pregnant woman)
-
Haplo-
single, simple (haplodermatitis--simple inflammation of the skin)
-
Hemi-
half (hemiplegia--paralysis on one side)
-
Hetero-
other, different (heterogenous)
-
-
-
Hyper-
over, excessive (hyperplasia--excessive formation)
-
Hypo-
under, deficient (Hypotension---low blood pressure)
-
Idio-
peculiar to (idiopathic--disease of unknown cause)
-
Im-, In-
in, into (infiltration)
-
-
Infra-
below (infraorbital--below eye socket)
-
Inter-
between (intercostal--between ribs)
-
Intra-
within (intraocular--within the eye)
-
Iso-
same, equal (isometric, isotonic)
-
-
Levo-
left (levocardia--left side of the heart)
-
Mal-, Malus-
bad (malignant, malformation)
-
Mega-
large, great (megacolon--large colon, megaloblastic)
-
-
Micro-
small (microglossia--small tongue)
-
Mono-
one, single (monochromatic)
-
Multi-
many, much (muliparous--having given many births)
-
Necro-
having to do with death (necrosis, necropsy)
-
Neo-
new (neoplasm--literally-new formation)
-
Oligo-
few, little (oligouria--formation of little urine)
-
Opistho-
behind, backward (opisthotic--behind the ears)
-
Ortho-
straight, normal (orthopnea--able to breath only in upright position)
-
Para-
beside, by side (paraplegia--paralysis of both sides, parathyroids)
-
Per-
through (percutaneous)
-
Peri-
around (periosteum--membrane around the bone)
-
Poikilo-
varied (poikiloderma--mottled skin, poikilothermic)
-
Poly-
many, much (polymyalgia--pain in many muscles)
-
Post-
after, behind (postnatal--after birth)
-
Pre-
before, in front of (prenatal)
-
Pro-
before, in front of (prognosis--foreknowledge)
-
Pseudo-
false (pseudostratified)
-
Re-
back, again (regurgitation)
-
Retro-
backward, located ( retroperitoneal--behind the behind peritoneum)
-
Sclero-
hard (sclerosis--hardening, arteriosclerosis)
-
Semi-
half (semilunar--half moon)
-
-
Super-
above, upper (supernatant)
-
Supra-
above, upper (suprarenal)
-
Steno-
narrow (stenosis--narrowing or constriction)
-
Sym-, Syn-
together, with (synapse, symphysis)
-
Tachy-
fast, swift (tachycardia)
-
Trans-
across, through (transection)
-
Tri-
three (tricuspid--heart valve)
-
Xero-
dry (xerodermia--dry skin)
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