GLOSSARY

ANOMALY:  Anything unusual or contrary to the general rule.

BACTEREMIA:  The presence of living bacteria in the circulating blood.

BENIGN TUMOUR:  Innocent, nonfatal tumour.

CASEOUS, CASEATED:  Noting a form of degeneration in which tissues die and are transformed into         a cheesy mass.

CALCAREOUS: Containing lime or one of its salts.

COENURUS: A larval form of some tapeworms which is enclosed within a cyst and is capable of     producing numerous adult tapeworms.

CONNECTIVE TISSUE:  The supporting or uniting tissue of the animal body.

CYST:  A sac with a distinct membrane and containing   abnormal fluid or semi-solid material or a    parasitic larva.

CYSTICERCUS:  A larva of various tapeworms which is enclosed in a cyst and is capable of developing into one adult tapeworm.

CRUSTACEAN:  Animals, mostly aquatic, having a hard covering or shell.

DEGENERATION:  A changing or disintegration of the cell or tissue, in which the cells are injured and in danger of death.

ECTOPARASITES:  Parasites adapted to live on the external surface of their hosts.

EMACIATED: Reduced greatly in flesh.

ENCAPSULATION:  Enclosure in a capsule.

ENCYST:  Become enclosed in a cyst or surrounded by a closed membranous bag.

EPITHELIAL:  Referring to tissue that covers surfaces, forms glands and lines most body cavities.

EPIZOOTIC:  Referring to a disease that attacks a large number of animals simultaneously.  Same as an epidemic in the human population. 

FIBROUS:  Composed of fibres.

FOCAL NECROSIS:  Small, well-defined areas of dead cells.

HISTOLOGICAL:  Referring to the microscopic study of the structure of tissues.

HYPERTROPHY:  The increase in the size of cells.

INCLUSION BODIES:   Peculiar bodies of uncertain nature found within body cells in cases of virus

   infections.

INTERCOSTAL:  Between the ribs.

MALIGNANT TUMOUR:  Tumours which threaten or produce death.

MESENTERY: The fan-shaped fold of membrane that encircles the small intestine and attaches it to

   the dorsal abdominal wall.

MUSCULATURE:  The muscular tissue of the body.

MUSTELIDS:   Weasel-like mammals possessing a pair of musk glands.

NECROSIS:  The death of more or less extensive groups of body cells.

PATHOGENIC:  Causing disease.

PERICARDITIS:  Inflammation of the membrane which forms a sac around the heart.

PERITONITIS:  Inflammation of the membranes which line the abdominal cavity, cover the surface of organs within the cavity and which form the mesentery.

RESERVOIR HOST: A host which is used by a parasite during its life history but which is not required for development of the parasite.

SEPTICEMIA: The presence, in the circulating blood, of microorganisms or the poisonous substances they produce.

SKELETAL:  Relating to the skeleton.

SPICULATED:            Made up of needle-shaped bodies.

SUBCUTANEOUS:  Beneath the skin.

SUPPURATION:  The formation of pus.

ULCERATION:  The formation of an ulcer.

VENTRAL: The underside of an animal's body.

VIRULENT:  Extremely poisonous; noting a markedly pathogenic microorganism.

VISCERA:  The interior organs in the great cavities of the body (e.g. liver, lungs, heart, intestines).