Glossary
Abdominocentesis: a procedure involving the use of a needle to draw fluid out of the abdominal cavity for evaluation
Abscess: a cavity filled with pus, often the result of an infection
Adrenal: a gland located in the abdominal cavity, near the kidney, which is part of the endocrine system. Responsible for secreting several hormones, including cortisol.
Allergen: a substance which produces an allergy
Alopecia: hair loss
Alveoli: small sac-like structures in the lungs. Responsible for oxygen exchange.
Ascarids: roundworms
Ascites: fluid in the abdominal cavity
Asymptomatic: not showing symptoms of disease
Atopy: a type of skin disease, also called “inhalant dermatitis” or “atopic dermatitis”
Bacteria: small organism sometimes responsible for causing disease. There are many kinds of bacteria and not all are disease-causing.
Biopsy: a procedure whereby tissue is examined by a pathologist, under a microscope, to determine what types of cells are present in the tissue. Often used to determine whether a growth (or tumor) is benign or cancerous.
Bordetella: virus, frequently involved in causing tracheobronchitis (kennel cough) in dogs
Bronchi/bronchiole: small air passages leading from the trachea to the alveoli in the lungs
Brucellosis: disease caused by the organism Brucella canis. Often responsible for infertility in dogs
Canine: dog
Canine adenovirus: virus causing disease in dogs, frequently causes symptoms of liver disease. Also called “canine infectious hepatitis”.
Canine coronavirus: virus causing disease in dogs, frequently causes gastro-intestinal symptoms
Canine distemper: virus causing disease in dogs, frequently resulting in respiratory and neurological symptoms. Often fatal.
Canine herpesvirus: disease frequently resulting in infertility and/or weak or still-born puppies
Canine infectious hepatitis: virus causing disease in dogs, frequently causes symptoms of liver failure. Also called “canine adenovirus” or “infectious canine hepatitis”.
Canine tracheobronchitis: disease in dogs resulting in respiratory symptoms. Often called “kennel cough”.
Cataract: eye disease causing an opacity in the lens
Cervix: the lower section of the uterus which protrudes into the vagina and dilates during labor to allow the passage of the fetuses
Chronic: duration of several weeks or longer
Coccidia: protozoan (one-celled) organism which frequently causes gastro-intestinal symptoms
Cognitive dysfunction: disease in older dogs causing deterioration of cognitive abilities
Conjuctivitis: inflammation of the tissues surrounding the eye
Coronavirus: a group of viruses. One member of this group is responsible for causing canine coronaviral disease, another is responsible for causing feline infectious peritonitis.
Cornea: the front part of the eye
Constipation: condition resulting in infrequent or difficult elimination of feces.
Culture: technique involving the growth of bacteria. Often coupled with testing for sensitivity to specific antibiotics.
Cyanotic: purple or blue coloration of the mucous membranes (gums) resulting from lack of proper oxygenation
Defecate: moving bowels
Dehydration: loss of fluid from the blood steam and tissues
Dermatitis: inflammation of the skin
Dermatomycosis: skin disease caused by a fungus, often called “ringworm”
Dystocia: difficulty giving birth
Dysuria: difficulty urinating
Eclampsia: a condition in pregnant or nursing females resulting from low calcium levels in the blood
Echocardiogram: ultrasound examination of the heart
Endocrine: relating to the parts of the body which secrete hormones, such as the thyroid and adrenal glands
Endometrium: inside lining of the uterus
Estrus: the “heat” cycle, the part of the reproductive cycle during which a female is able to become pregnant
Estrous: the reproductive cycle of the female
Esophagus: the part of the digestive system leading from the mouth to the stomach
Fecal: stool, bowel movement
Feline calicivirus: viral disease of cats causing upper respiratory disease
Feline distemper: disease of cats causing gastro-intestinal symptom and fever. Also called “feline panleukopenia”.
Feline panleukopenia: viral disease of cats. Also called “feline distemper”.
Feline rhinotracheitis: viral disease of cats causing upper respiratory disease
Fetal: relating to an unborn animal
Fetus: an unborn animal
Flea: an external parasite which feeds on blood
Fracture: a broken bone
Fungus: the organism responsible for causing “ringworm” and other mycotic diseases in pets. There are numerous types of fungi (plural of fungus), many of which do not cause disease. Fungi are actually classified as a primitive form of plant.
Gastric: pertaining to the stomach
Gastrointestinal: pertaining to the stomach and intestines
Genitalia: the external reproductive organs. In females, the vulva or vagina. In males, the penis and testicles.
Gingiva: the soft tissue surrounding the teeth
Gingivitis: inflammation of the soft tissue surrounding the teeth
Giardia: protozoan (one-celled) organism which causes diarrhea in animals
Heart: organ responsible for pumping blood
Heartworm: parasitic disease characterized by a type of worm living within the heart
Hematoma: blood-filled sac or cavity
Hematuria: blood in the urine
Hemorrhage: bleeding
Hepatitis: inflammation of the liver
Hereditary: passed from the parents to the offspring
Hookworm: type of intestinal parasite
Hormone: a substance produced by an endocrine organ
Hypotension: low blood pressure
Hypothyroidism: disease caused by low levels of thyroid hormone in the blood stream
Hyperglycemia: high blood glucose (sugar) level
Hypertension: high blood pressure
Hyperthyroidism: disease caused by high levels of thyroid hormone in the blood stream
Iatrogenic: disease caused by trying to diagnose or treat another disease
Icterus: yellow coloration of mucous membranes (gums), skin and sclera (white part of the eyes) resulting from liver failure. Also called “jaundice”.
Immune-mediated: disease caused by over-active immune system
Immune system: body system responsible for fighting disease
Infection: multiplication of disease causing organisms in the body
Infectious: caused by an infection or capable of causing infection
Inflammation: pathological changes in tissues related to physical, chemical or biological agent
Inherited: disorder passed from the parents to the offspring
Insecticidal: substance which kills insects
Intestinal: the part of the gastro-intestinal tract which leads from the stomach to the outside of the body. Includes both the small and large intestines.
Jaundice: yellow coloration of the mucous membranes (gums), skin and sclera (white part of the eyes) resulting from liver failure
Jejunum: part of the intestinal tract
Keratitis: inflammation of the cornea of the eye
Leptospirosis: disease caused by the bacteria Leptospira interrogans, resulting in liver and/or kidney failure
Lice: an external parasite which lives on the skin
Ligament: a band of tissue between two body parts, often supporting a specific joint
Liver: largest gland in the body, responsible for secreting bile and important in carbohydrate and protein metabolism
Lumbar: relating to the back
Lyme disease: a tick borne disease
Malnutrition: lack of proper nutrition
Mammary glands: organs which produce milk to feed young, breasts
Mange: a skin disease caused by one of several types of mite
Microfilaria: the larval form of some types of “worm”. Often refers to larval heart-worms.
Mucous membranes: the pink lining of specific parts of the body. Often refers to the “gums”.
Myocarditis: inflammation of the heart muscle
Neuter: surgically removing the testicles. Also called “castration”.
Nutrition: the taking in and assimilation of material for the purpose of building up tissue and liberating energy.
Oral: referring to the mouth
Otitis: inflammation of the ear
Ovariohysterectomy: surgical removal of the ovaries and uterus. Also called “spay”.
Pancreatitis: inflammation of the pancreas
Panosteitis: disease of the long bones. Cause unknown.
Parvovirus: viral disease which causes gastro-intestinal signs in dogs
Pelvic: relating to the lower part of the abdomen between the hip bones
Pelvis: the lower part of the abdomen between the hip bones
Penile: relating to the penis
Polydipsia: increased water consumption
Polyp: a specific type of growth, usually has a stem-like base
Polyuria: increased urine volume
Post-partum: after birth or delivery of young
Prescription: usually refers to medication only available with a doctor’s written approval
Protein: a complex form of molecule
Protozoan: one-celled organism, some are disease-causing
Purulent: discharging pus
Pyoderma: infection of the skin
Pyometra: infection of the uterus
Radiograph: an image created by x-rays
Rabies: contagious fatal viral disease which affects the nervous system
Ringworm: skin disease caused by a fungus
Roundworm: type of intestinal parasite
Saliva: secretions produced in the mouth, “spit”
Salmonellosis: an intestinal disease caused by a bacteria called Salmonella
Scabies: contagious skin disease caused by a mite called Sarcoptes scabeii
Seborrhea: a skin disease characterized by oily secretions
Spay: surgically removing the ovaries and uterus. Also known as “ovariohysterectomy”.
Stranguria: straining to urinate
Subcutaneous: under the skin
Systemic: spread throughout the body, not localized to one part or body system
Tapeworm: a type of intestinal parasite
Thoracic: pertaining to the chest
Thyroid: gland which helps regulate growth and metabolism
Tick: an external parasite (insect) which feeds on blood
Toxicity: poisoning
Toxoplasmosis: a disease carried by cats, dangerous to pregnant women and their unborn children
Trachea: part of the respiratory tract, a tube carrying air from the throat to the bronchi
Tracheobronchitis: inflammation of the trachea and bronchi
Tumor: a growth or abnormal mass
Ultrasound: An imaging technique in which sound waves are passed through body tissues in order to view the size, shape, location and internal structure of an organ or tissue. Abbr: US
Urethra: the part of the urinary tract leading from the bladder to the outside of the body
Urinalysis: the chemical and physical analysis of the urine
Urinary: body system which includes the kidneys, ureter, bladder and urethra
Urogenital: pertaining to both the urinary and reproductive tract
Urolith: bladder stone
Uveitis: inflammation of the uvea (part of the eye)
Vaccination: inoculation with a vaccine in order to prevent a specific disease
Venereal: pertaining to the sex organs
Venous: pertaining to veins
Vertebrae: bones making up the spinal cord
Veterinarian: a doctor who treats animals
Virus: an ultra-small organism which replicates in the cells of a living host. Many cause disease.
Wean: to separate a young animal from its mother
Whelp: the act of a female dog delivering puppies
Zoonotic: disease which can be transmitted from pets to people, from people to pets, or is transmissible to both people and pets



