Hyperthyroidism, Hypersensitive, Veterinary Clinics, Diagnoses, Terms and Drug Handbook Online

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Hyperthyroidism

A condition, more commonly seen in cats, in which the thyroid gland produces too much thyroid hormone. See article Hyperthyroidism in Cats. Increased production of thyroid hormone. Hyperthyroidism occurs commonly in geriatric cats but is rare in dogs. Increased amount of thyroid hormone.... ↪ Read more

Hypersensitive

A type of allergic condition in which the body overreacts to a certain agent such as a bee sting or medication.... ↪ Read more

Hyperreactive

Producing an exaggerated, or greater than normal response to a stimulus.... ↪ Read more

Hyperplastic

Abnormal increase in the amount of tissue, e.g., a hyperplastic ear would have increased numbers of cells in the ear canal, sometimes to the point of closing off the ear canal. In prostatic hyperplasia, the prostate enlarges due to an increased number of normal, not cancerous, cells.... ↪ Read more

Hyperplasia

An increase of the number of cells within an organ. Proliferation of cellular elements usually accompanied by increased size of the organ.... ↪ Read more

Hyperkalemia

Increased level of potassium in the blood. Elevated serum potassium. Elevated potassium. Elevated blood potassium.... ↪ Read more

Hyperglycemia

higher than normal blood glucose level. Elevation of blood glucose. There are numerous causes of hyperglycemia including diabetes mellitus, hyperadrenocorticism, excitement and the administration of glucose or glucocorticoids. Elevated blood sugar.... ↪ Read more

Hybrid

An animal that has parents of two different species, for instance, a mule's mother is a horse and its father is a donkey.... ↪ Read more

Humoral immunity

The immunity that is the result of antibody production by B cells. Compare with 'cell-mediated immunity'. Immunity provided by antibodies produced by B cell lymphocytes. Antibody produced by the B-cells to fight a specific antigen.... ↪ Read more

Host

The organism in or on which a parasite lives. For example, dogs and cats are hosts for fleas and roundworms.... ↪ Read more

Histamine H2 receptor antagonist

A compound which binds (attaches) to the area on a cell at which histamine also binds. By binding at the same site, the antagonist blocks histamine from binding and prevents histamine from producing it's effects, which include the production of stomach acid.... ↪ Read more

High titer vaccine

A modified live vaccine that contains a higher number of virus particles than the 'average' vaccine. High titer vaccines can generally elicit an immune system response in young animals who have a maternal antibody level that would prevent them from responding to an 'average' vaccine.... ↪ Read more