O

Question 1

ocul-

Answer 1

eye
= oculist

Question 2

odont-

Answer 2

teeth
= orthodontist

Question 3

odyn-

Answer 3

pain

Question 4

-oesophageal
oesophago-

Answer 4

gullet
= oesophagus

Question 5

-oid

Answer 5

resemblance to
= sarcoidosis

Question 6

ole

Answer 6

small or little
= arteriole

Question 7

olig-

Answer 7

having little, having few
oligotrophy

Question 8

om(o)-

Answer 8

shoulder
= omoplate

Question 9

-oma (singular),
-omata (plural),

Answer 9

tumor, mass, fluid collection
= sarcoma, teratoma, mesothelioma

Question 10

omphal(o)-

Answer 10

navel, the umbilicus
= omphalectomy

Question 11

onco-

Answer 11

tumor, bulk, volume
= oncology

Question 12

onych(o)-

Answer 12

nail (of a finger or toe)
= onychophagy

Question 13

oo-

Answer 13

pertaining to an (egg), a woman’s egg, the ovum
= oogenesis

Question 14

oophor(o)-

Answer 14

pertaining to the women’s (ovary)
=oophorectomy

Question 15

ophthalm(o)-

Answer 15

eye
= ophthalmology

Question 16

opistho_

Answer 16

back, behind, rear
= opisthotonus

Question 17

-opsy

Answer 17

examination or inspection
= biopsy, autopsy

Question 18

optic(o)-

Answer 18

chemical properties of the eye
= optic chemical, biopsy

Question 19

or(o)-

Answer 19

mouth
= oral

Question 20

orth(o)-

Answer 20

denoting something as straight or correct
= orthodontist

Question 21

-osis

Answer 21

a condition, disease, process or increase
psychosis, osteoporosis, phagocytosis

Question 22

ossi-,
osse-

Answer 22

bone, bony
= fibroma, osseous

Question 23

ost(e)-
oste(o)-

Answer 23

bone
= osteoporosis, osteoarthritis

Question 24

ot(o)-

Answer 24

ear
= otology

Question 25

-ous

Answer 25

pertaining to
= porous

Question 26

ovari(o)-

Answer 26

ovaries
= ovariectomy

Question 27

ovo-,
ovi-,
ov-

Answer 27

eggs, the ovum
= ovogenesis

Question 28

oxo-,
ox/i

Answer 28

addition of oxygen

Question 29

oxy-

Answer 29

sharp, acid, acute; oxygen
= oxytocin, oxygenated, oxycodone