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Veterinary Terminology > Prefixes > Flashcards

Flashcards in Prefixes Deck (55)
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1

A-, an-

Without, lack of, not

Afebrile (without fever)
Anemia (lack of blood)

2

Ab-

Away from

Abductor (leading away from)
Aboral (away from mouth)

3

Ad-

Toward, to, near

Adductor (leading toward)
Adrenal (near the kidney)

4

Ambi-, amphi-, ampho-

Both

Ambidextrous (ability to use both hands equally)
Amphoteric (both acid and base)
Amphibious (living both on land and in water)

5

Ana-

Up, toward, apart

Anatomy (to cut apart)
Anabolism (building up)

6

Ante-

Before, in front of, forward

Antenatal (before birth)
Antemortem (before death)

7

Anti-

Against, opposing

Antisepsis (against infection)
Antibiotic (against microbial life)

8

Apo-

Separation from, derived from

Apocrine (secretion containing cell parts
Apomorphine (drug derived from morphine)

9

Auto-

Self

Autogenous (self-generating)
Autolysis (self-dissolving)

10

Bi-

Two, double, twice

Biceps (muscle with two heads)
Bifurcate (divide into two branches)

11

Cata-

Down, under, lower, against

Catabolism (breaking down)
Catalepsy (reduced movement)

12

Circum-

Around

Circumflex (winding around)
Circumanal (surrounding the anus)

13

Co-, com-, con-

Co- before a vowel
Com- before b, m, and p

With, together

Commissure (coming together)
Conductor (leading together)

14

Contra-

Opposed, against

Contralateral (opposite side)
Contraception (prevention of conception)

15

De-

Reverse, remove

Dehydrate (remove water from)
Defibrillate (stop fibrillation)

16

Di-

Two, twice

Diphasic (having two stages)
Dichromic (having two colors)

17

Dia-

Between, through, apart, across, completely

Diapedesis (ooze through)
Diaphragm (wall across)
Diagnosis (complete knowledge)

18

Dis-

Apart from, free from

Disinfection (to free from infection)
Dissect (cut apart)
Disarticulation (separation at a joint)

19

Dys-

Difficult, painful, abnormal

Dyspnea (difficult breathing)
Dyscrasia (abnormal condition)
Dysuria (difficult or painful urination)

20

E-, ec-, ex-

Out of, from, away from

Enucleate (remove whole from)
Ectopic (out of place)
Exostosis (outgrowth of bone)

21

Ecto-, exo-

Outer, outside, situated on

Ectoderm (outer skin
Ectoparasite (organism living on the outside)
Exogenous (originating outside)

22

Em-, en-

Em- before b, m, and p

In

Empyema (pus in)
Enzootic (in a population of animals)

23

Endo-

Within, inner

Endogenous (originating inside)
Endoplasm (inner portion of cytoplasm)
Endoderm (inner cell layer)

24

Ep-, epi-

Upon, on, over, above

Epicostal (upon a rib)
Epidermis (outer skin layer)

25

Eu-

Normal, good, well, healthy

Eupnea (normal breathing)
Euthanasia (inducing death painlessly)

26

Extra-

Outside of, beyond

Extracellular (outside the cells)
Extraocular (outside the eye)

27

Hemi-

Half

Hemiplegia (paralysis of one side of the body)
Hemisphere (half of a sphere or globe)

28

Hyper-

Excessive, above, beyond

Hyperactive (overactive)
Hyperesthesia (excessive sensitivity)

29

Hyp-, hypo-

Under, deficient, beneath

Hypoxia (reduced oxygen)
Hypothyroidism (deficiency of thyroid activity)

30

Im-, in-

Im- before b, m, and p

In, into, within, not

Implant (insert into)
Injection (forcing fluid into)
Immature (not mature)
Involuntary (not voluntary)

31

Infra-

Below, beneath

Infraorbital (beneath eye)
Infrastructure (underlying support system)

32

Inter-

Between

Intercostal (between ribs)
Internodal (between nodes)

33

Intra-

Within

Intracardiac (within heart)
Intraocular (within the eye)

34

Intro-

Into, within

Introversion (turning inward)
Introduce (lead into)

35

Mes-, meso-

Middle

Mesencephalon (midbrain)
Mesoderm (middle cell layer)

36

Meta-

Change, beyond, after

Metacarpus (bone beyond the carpus)
Metamorphosis (change shape or structure)

37

Micr-, micro-

Small

Microphthalmos (abnormally small eye)
Microbe (minute organism)

38

Mult-, multi-

Many

Multiangular (many angles)
Multiform (many shapes)

39

Neo-

New, recent

Neoplastic (new tissue growth)
Neonatal (newborn)

40

Pan-

All, entire

Panacea (cure-all)
Panzootic (throughout an animal population)

41

Para-

Beside, beyond

Paravertebral (beside the vertebrae)
Paranormal (beyond scientific explanation)

42

Per-

Through, excessive

Permeable (may pass through)
Peracute (excessively sharp)

43

Peri-

Around

Periosteum (around bone)
Peribulbar (around eye bulb)

44

Poly-

Many, much, excessive

Polycystic (many cysts)
Polydipsia (excessive thirst)

45

Post-

After, behind

Postoperative (after surgery)
Postorbital (behind the eye)

46

Pre-, pro-

Before, in front of

Prenatal (before birth)
Project (throw forward)

47

Pseudo-

False

Pseudoparasite (false parasite)
Pseudocyesis (false pregnancy)

48

Re-

Again, backward

Reflex (bend back)
Regurgitation (vomiting)

49

Retro-

Backward, behind

Retrograde (going backward)
Retroperitoneal (behind peritoneum)

50

Semi-

Half, partial

Semilunar (half-moon shaped)
Semipermeable (partly permeable)

51

Sub-

Under, beneath

Subcutaneous (under the skin)
Sublingual (beneath the tongue)

52

Super-, supra-

Above, superior, excess

Supernumerary (excessive number)
Suprarenal (above kidneys)

53

Sym-, syn

Sym- before b, m, p, and ph

Together, with

Symbiosis (two organisms living in close association)
Syndactyly (fusion of digits)

54

Trans-

Across, through

Transection (cut across)
Transfix (to pierce across)

55

Ultra-

Beyond, excess

Ultravirus (very small virus)
Ultrasonic (beyond upper limit of hearing)