There have been isolated cytologic descriptions of some of the round cell tumors. [2, 4, 5, 8-10]. Our purpose here is to present the cytologic characteristics of canine. cutaneous round cell tumors, including those on the external genitalia, and to. encourage the use of cytology in the diagnosis of these tumors.
The thyroid gland is influenced by hormones produced by two other organs: 1  The pituitary gland, located at the base of the brain, produces thyroid stimulating hormone (TSH). 2  The hypothalamus, a small part of the brain above the pituitary, produces thyrotropin releasing hormone (TRH).
Physiologists have discovered that in response to stress that cerebral cortex, via the _____ and the _____ gland, triggers the outer part of the _____ to release _____ stress hormones such as _____ hypothalamus; pituitary; adrenal glands; glucocorticoid; cortisol