O
obstetr/o | midwife |
ocul/o | eye |
odont/o | teeth |
-oid | resembling |
-ole | small, minute |
olig/o | scanty |
-oma | tumor |
omphal/o | navel (umbilicus) |
onc/o | tumor |
onych/o | nail |
oophor/o | ovary |
-opaque | obscure |
ophthalm/o | eye |
-opia | vision |
-opsia | vision |
-opsy | view of |
opt/o | eye, vision |
optic/o | eye, vision |
or/o | mouth |
orch/o | testis (plural, testes) |
orchi/o | testis (plural, testes) |
orchid/o | testis (plural, testes) |
-orexia | appetite |
orth/o | straight |
-ory | pertaining to |
-ose | pertaining to; sugar |
-osis | abnormal condition; increase (used primarily with blood cells) |
-osmia | smell |
oste/o | bone |
ot/o | ear |
-ous | pertaining to |
ovari/o | ovary |
ox/i | oxygen |
ox/o | oxygen |
-oxia | oxygen |
oxy- | quick, sharp |