Hi stranger! Signing up for MypetMD is easy, free and puts the most relevant content at your fingertips.

Get Instant Access To

  • 24/7 alerts for pet-related recalls

  • Your own library of articles, blogs, and favorite pet names

  • Tools designed to keep your pets happy and healthy


or Connect with Facebook

By joining petMD, you agree to the Privacy Policy.

Encyclopedia of Veterinary Terms

Click on the veterinary terms to reveal their definitions.



a

abacterial

abattoir

abaxial

abdomen

abdominal breathing

abdominal cavity

abdominal effusion

abdominal wall

abdominocentesis

abduct

abiotrophy (n.)

ablactate

ablate

abomasopexy

abomasums

aboral

abort

abortive

abrasion

abscess

absolute age

absorption

absorption rate

abundance

acariasis

acaricide

acarid

acarine

acclimate

acclimatization

accommodation

accredited herd

accuracy of selection

acetabulum

acetic acid

acetic bacteria

acetic fermentation

acetone

acetonemia

achalasia

achondroplasia

acid

acid-fast

acidified silage

acidity

acidophilus

acidosis

acoustic

acquired character

acquired immunity

acre per animal unit month

acromegaly

acromion

acrosome

active agent

active immunity

actual analysis

actual use

acuity

acute

acute renal failure (arf)

acute toxicity

ad lib

ad lib feeding

ad libitum

adaptability

adaptation

additives (n.)

addled egg

adduction

adenocarcinoma

adenohypophysis

adherence

adhesion

adipocyte

adipose

adjusted weaning weight (adjusted 205-day weight)

adjusted yearling weight (adjusted 365-day weight)

adnexa

adrenal cortex

adrenal gland

adrenal medulla

adrenalectomy

adrenaline

adrenopathy

adventitious sounds

aerobe

aerogun

aerophobia

afebrile

afferent

aflatoxin

afterbirth

agalactia

agalactic mare

age class

aged horse

agglutination

agglutinins

agonal breathing

agonist

agonistic

agoraphobia

agostadero

agouti

agranulocyte

agrarian

agriculture

aids

air sacs

albidus

albino

albumin

albuminaria

albus

alcohol

alcohol test

alcohol-alizarin test

aleukia

alfalfa

alimentary tract

alkaline

allantois

allergen

allergy

allogamy

allopolyploid

allosomes

allotment

alopecia

alpaca

alter

alteration of generations

alternate grazing

alternate host

amasesis

ambidextrous

ambient

amble

ambler

amblotic

amblyopia

amino acids

amitosis

ammonia

amnesia

amniocentesis

amnion

amniotic cavity

amniotic fluid

amoeba

amotus

amphibian

amphigean

amphoteric

ampule

amputation

amylase

amylopsin

anabiosis

anabolism

anadipsia

anaerobe

anaerobic

anaerobic bacteria

anal

anal glands

anal sacculitis

analgesia

analgesic

analogous

anaphylaxis

anaplasia

anastomosis

anatomic position

anatomy

ancestor

ancestor merit

androgenesis

androgynized cow

anechoic

anemia

anesthesia

anesthetic

anestrous

aneurysm

angiocardogram

angiogram

angiopathy

angioplasty

angiorrhaphy

angora

anhydrosis

animal kingdom

animal rights

animal therapy

animal type

animal welfare

anisocoria

anisocytosis

ankylosis

anogenital distance

anomaly

anophthalmos

anoplasty

anorectal

anorexia

anoxia

antagonism

antagonist

antebrachium

antefebrile

antepartumtion of the body

anterior

anterior chamber

anterior pituitary

anterior presentation

anthelmintic

antiarrhythmic

antibacterial

antibiosis

antibiotic

antibody

anticarcinogen

anticoagulant

anticonvulsant

antidiarrheal

antidiuresis

antidote

antiemetic

antigen

antihypertensive

antimutagen

antineoplastic agent

antioxidant

antipruritic agent

antipyretic

antisepsis

antiseptic

antiserum

antispasmodic

antitoxin

antitussive

antivivisectionist

antler

antrum

anuria

anus

aorta

aortic semilunar valve

apathy

aperture

apex

aphakia

aphtha

Apia matter

aplasia

apnea

appendage

appendicular skeleton

appositional

approach

apterium

apterous

aqueous humor

arachnid

arachnoid

arch

archetype

arena

ark

arrector pilus

arteriectomy

arterioles

arterioplasty

arteriosclerosis

arteriotomy

artery

arthralgia

arthritis

arthrocentesis

arthrodesis

arthrodynia

arthrogram

arthrography

arthrology

arthropathy

arthropod

arthroscope

arthroscopy

arthroslecrosis

artificial hormone

artificial insemination

artificially acquired immunity

artiodactyla

ascending

ascites

ascorbic acid

asepsis

aseptic technique

asper

asphyxia

asphyxiation

aspirate

assay

assess

assessment

assimilation

asthenia

asthma

astomous

astringent

astrocyte

astrocytoma

asymmetrical

asymptomatic

asystole

atavism

ataxia

atelactasis

atherosclerosis

atlas

atomization

atonic

atopy

atraumatic

atresia

atrioventricular

atrioventricular node

atrioventricular valve

atrium

atrophy

attaint

attenuate

attenuation

atypical

aubin

auditory

auditory ossifies

aural

aural hematoma

auscultation

autoclave

autogenous vaccine

autoimmune disease

autoimmunity

autolysis

autonomic nervous system

autosome

autotrophic

autumn lag

available energy

average daily gain (adg)

avian

aviary

avicide

aviculture

avirulent

avitaminosis

avoidance

avulsion

axenic

axial feather

axial skeleton

axillary

axis

axon

axonal

azoospermia

azotemia

azoturia



PETMD POLL

What do you use to prevent ticks from feeding on your pet?



MORE FROM PETMD.COM