AGV 120 Comprehensive Veterinary Medical Terminology, Anatomy, and Clinical Diagnostics

Essential veterinary medical terminology covering anatomical planes, directional terms, prefixes, roots, suffixes, clinical abbreviations, diagnostic procedures, and organ system pathologies.

Hippocrates

Ancient Greek physician regarded as 'The Father of Medicine' who, alongside Galen, initiated a systematic approach to medical observations and descriptions.

Galen

A prominent ancient physician and anatomist whose work helped establish Greek as the foundational medical language during the Hellenistic period.

Avicenna and Averroes

Medical scholars who maintained and preserved earlier medical knowledge by translating Greek medical texts into Latin, unifying classical terminology.

Rudolf Virchow

A 19th-century German physician and pathologist who was instrumental in laying the groundwork for modern standardized medical terminology.

International Anatomical Nomenclature Committee (IANC)

A professional body stemming from the International Nomenclature Committee formed in 1890, responsible for creating modern standardized anatomical terminology.

Combining Vowel

A vowel—most commonly 'o'—used to join word roots to each other or to suffixes to facilitate pronunciation.

Dorsal Plane

An anatomical plane that divides the body into dorsal (back) and ventral (belly) portions.

Median Plane

An anatomical plane that divides the body longitudinally into equal right and left halves.

Sagittal Plane

An anatomical plane that divides the body in a straight line parallel to the midline on either side.

Transverse Plane

An anatomical plane that divides the body or body parts into cranial and caudal sections.

Cranial

Directional term meaning towards the head.

Caudal

Directional term meaning towards the tail.

Dorsal

Directional term meaning towards the back.

Ventral

Directional term meaning towards the belly.

Proximal

Directional term meaning near to the point of origin or attachment.

Distal

Directional term meaning distant from the point of origin or attachment.

Rostral

Directional term referring specifically to towards the nose or beak.

Palmar

Directional term pertaining to the underside or palm of the front paw.

Plantar

Directional term pertaining to the bottom surface or sole of the rear foot/paw.

Medial

Directional term meaning towards the middle or midline of the body.

Lateral

Directional term meaning toward the sides or away from the midline.

Oblique

Directional term meaning slanted or angled.

Carpus

The joint of the front leg, anatomically equivalent to the human wrist.

Tarsus

The joints of the rear leg, anatomically equivalent to the human ankle or hock.

Lateral Recumbency

A resting position where the animal is lying on its side, typically specified as left or right.

Dorsal Recumbency

A resting position where the animal is lying flat on its back, also referred to as supine.

Ventral Recumbency

A resting position where the animal is lying on its chest or belly, also known as sternal recumbency or prone.

Anti- / Contra-

Prefixes denoting opposition or action against something.

Inter- / Dia-

Prefixes meaning between or among structures.

Intra-

Prefix denoting within or inside.

Brady-

Prefix denoting slowness or a reduced rate.

Tachy-

Prefix denoting fast or rapid rate.

-ectomy

Suffix indicating surgical removal or excision of a specific organ or tissue.

-plasty

Suffix indicating surgical repair or reconstruction of a body part, usually to restore function.

-centesis

Suffix denoting the surgical puncture or tapping of a body cavity or organ to aspirate fluid.

-pexy

Suffix denoting surgical fixation or anchoring of an organ or anatomical part.

-penia

Suffix indicating an abnormal deficiency or decrease in a substance or cellular component.

-rrhexis

Suffix meaning rupture or bursting of an organ or vessel.

Incisional Biopsy

A diagnostic procedure in which only a representative portion or slice of a lesion is surgically removed for evaluation.

Excisional Biopsy

A diagnostic procedure involving the complete surgical removal of an entire lesion or abnormal mass.

Iatrogenic

A disease, injury, or adverse effect induced inadvertently by medical treatment, examination, or diagnostic procedures.

Nosocomial

An infection or disease acquired while staying within a veterinary clinic or hospital setting.

Patent

An anatomical or clinical state of being open, unobstructed, and free-flowing.

Occult

Hidden, concealed, or not visible to the naked eye upon standard physical examination.

Triage

The clinical sorting and prioritization of patients for treatment based on urgency and the severity of their condition.

BAR

Examination acronym for 'Bright, Alert, Responsive', denoting a normal, attentive mental state.

CRT

Clinical examination abbreviation for 'Capillary Refill Time', used to assess peripheral perfusion.

TPR

Vital signs examination acronym for 'Temperature, Pulse, Respirations'.

SOAP

Veterinary medical record documentation format standing for 'Subjective, Objective, Assessment, Plan'.

NPO

Medical prescription abbreviation for the Latin phrase 'Nil Per Os', meaning nothing by mouth.

QOD / EOD

Dosing frequency abbreviations meaning 'Quaque Altera Die' (Latin) and 'Every Other Day' (English).

CRI

Pharmacological administration abbreviation for 'Continuous Rate Infusion'.

GDV

Acute, life-threatening abdominal emergency abbreviated for 'Gastric Dilation-Volvulus'.

IVDD

Spinal cord disorder abbreviated for 'Intervertebral Disc Disease', characterized by disc compression on the spinal cord.

PCV

Bloodwork abbreviation for 'Packed Cell Volume', measuring the percentage of red blood cells in circulating blood.

OHE

Surgical acronym for 'Ovariohysterectomy', the complete excision of the ovaries and uterus.

Periosteum

The specialized, tough fibrous membrane that envelops and covers the exterior surfaces of bones.

Luxation

The complete joint dislocation or displacement of a bone from its normal articulation.

Subluxation

A partial or incomplete dislocation of a bone from its joint.

Abduction

Muscular action or movement that draws an extremity or limb outward and away from the midline.

Adduction

Muscular action or movement that draws an extremity or limb inward toward the midline.

Nociception

The physiological neural encoding and transmission of noxious, potentially tissue-damaging stimuli into pain perception.

Syncope

A transient, temporary loss of consciousness and posture caused by temporary insufficient cerebral blood flow; fainting.

Saddle Thrombus

Aortic thromboembolism lodging at the distal terminal bifurcation of the aorta, obstructing arterial flow to both pelvic limbs.

Diastole

The phase of the cardiac cycle when heart chambers relax and expand to fill with circulating blood.

Systole

The phase of the cardiac cycle when heart chambers contract to expel blood into arterial circulation.

Petechiae

Small, pinpoint hemorrhagic red or purple spots on skin or mucous membranes caused by minor capillary bleeding.

Oronasal Fistula

An abnormal tract or communicating opening linking the oral cavity directly to the nasal cavity.

Atelectasis

Partial or complete collapse of lung tissue or alveoli, preventing adequate oxygenation and gas exchange.

Stridor

A high-pitched, harsh respiratory sound produced during airflow through an obstructed larynx or upper respiratory tract.

Peristalsis

Rhythmic, involuntary waves of muscular contraction and relaxation that propel ingesta through the digestive tract.

Melena

Abnormal dark, tarry feces containing digested blood originating from bleeding within the upper gastrointestinal tract.

Tenesmus

Painful, persistent, ineffectual straining to defecate or urinate.

Intussusception

A digestive condition where one segment of the intestine telescopes or folds into the lumen of an adjacent segment.

Dehiscence

The premature bursting open, splitting, or breakdown of edges along a closed surgical suture line.

Evisceration

A surgical emergency where internal abdominal organs or viscera protrude outside the body through a dehisced incision.

Epidermis

The outermost, protective epithelial surface layer of the integumentary system.

Dermis

The vascular connective tissue layer beneath the epidermis that houses hair follicles, sebaceous glands, and sweat glands.

Hypodermis

The subcutaneous adipose and connective tissue layer beneath the dermis that provides thermal insulation and cushioning.

Pyoderma

A bacterial infection of the skin characterized by cutaneous inflammation and the production of purulent exudate (pus).