Tumors tend to occur in the limbs of large and giant breed dogs. Osteosarcoma tumors can spread from the bone to distant sites in the body, including the lungs, lymph nodes, and other bones. This type of cancer is painful, and amputation of the affected limb is necessary to provide relief.
At the center of the adrenal glands we see the adrenal medulla. This portion of the gland is stimulated by the sympathetic nervous system to secrete catecholamines, which are hormones that help you deal with short-term stress. There are two catecholamines. One is called epinephrine or adrenaline.
Pituitary gland. Pituitary gland, also called hypophysis, ductless gland of the endocrine system that secretes hormones directly into the bloodstream. The term hypophysis (from the Greek for âlying underâ)âanother name for the pituitaryârefers to the glandâs position on the underside of the brain.