Prefixes Showing Position

Front 1

Aboral

Back 1

away from the mouth

Front 2

Adduction

Back 2

movement of a limb toward a median line

Front 3

Adoral

Back 3

near or directed toward the mouth (or)

Front 4

Alloantigen

Back 4

occurs in some but not others of same species

Front 5

Allopathy

Back 5

second disease, condition that is incompatible with first

Front 6

Antebrachium

Back 6

forearm

Front 7

Antepartum

Back 7

before childbirth

Front 8

Antitoxic

Back 8

neutralizing the action of a poison

Front 9

Apophysis

Back 9

an outgrowth or projection, especially from a bone

Front 10

Contraception

Back 10

prevention of conception or pregnancy

Front 11

Dextrogastria

Back 11

displacement of the stomach to the right

Front 12

Diapedesis

Back 12

the passage of blood through the walls of blood vessels

Front 13

Dissect

Back 13

to cut apart or separate the tissue of a body for study

Front 14

Dorsocephalad

Back 14

toward the back of the head

Front 15

Ecchondroma

Back 15

outgrowth from cartilage, mass protruding from bone

Front 16

Encephalopathy

Back 16

any disease of the brain

Front 17

Endoderm

Back 17

innermost of the primary layers of the embryo

Front 18

Epicranium

Back 18

the muscle, aponeurosis, and skin covering the cranium

Front 19

Excementosis

Back 19

outgrowth of root surface of a tooth

Front 20

Heterocellular

Back 20

occurs in some but not others of the same species

Front 21

Heterotypic

Back 21

different or unusual type

Front 22

Homeostasis

Back 22

state of equilibrium in the body

Front 23

Homomorphic

Back 23

two or more structures of similar size

Front 24

Infusion

Back 24

steeping a substance in water

Front 25

Inhale

Back 25

to draw in breath

Front 26

Laterotorsion

Back 26

twisting to one side

Front 27

Levorotation

Back 27

turning or twisting to the left

Front 28

Opisthotonos

Back 28

a spasm in which the spine and extremities are bent

Front 29

Perinatal

Back 29

time period before, during or after the time of birth

Front 30

Periodontal

Back 30

around a mouth

Front 31

Peroral

Back 31

through the mouth

Front 32

Postanaesthetic

Back 32

after anaesthetic

Front 33

Postnasal

Back 33

posterior of the nasal cavity

Front 34

Precapillary

Back 34

preceding a capillary

Front 35

Predentin

Back 35

organic fiber of dentin before its calcification

Front 36

Procephalic

Back 36

relationing to the anterior part of the head

Front 37

Prochondral

Back 37

developmental stage prior to formation of cartilage

Front 38

Recuperate

Back 38

to recover, to regain health and strength

Front 39

Rehydration

Back 39

return of water to a system after its loss

Front 40

Retrogression

Back 40

previous, less complex conditions

Front 41

Schizonychia

Back 41

splitting of the nails

Front 42

Schizophrenia

Back 42

personality disorder, withdrawal from outside world

Front 43

Transfusion

Back 43

transfer of blood