From Cat
Histological appearance of a gastrinoma

Feline endocrinology constitutes a broad canvas of diseases of the endocrine glands.

By definition, a hormone is any chemical which elicit a response on a distant, unrelated cell within the body. A more encompassing definition of hormones must include extracorporeal influences such as daylight, reproductive status of neighboring cats, territorial aggression, nutritional status, etc, which have critical effects on endogenous hormone balance within individual cats.

Endocrine disease range from single hormonal imbalances, such as occurs in Cushing's syndrome, diabetes mellitus, hyperthyroidism, Addison's disease and Conn's syndrome, to multifactorial hormonal disorders such as obesity and chronic renal disease.

Hormones which have been studied in cats include: