An endocrine gland located under the breastbone in the chest that produces T-lymphocytes for the purpose of controlling immune function.

An endocrine gland located in the brain that makes hormones for the purpose of controlling the sleep-wake cycle.

In females, one of two endocrine glands located in the lower abdomen that makes the hormone estrogen and releases it in response to follicle stimulating hormone (FSH) produced by the pituitary gland for the purpose of developing female sexual… 

In males, one of two endocrine glands located in the scrotum that makes the hormones testosterone and inhibin which it releases in response to luteinizing hormone (LH) produced by the pituitary gland for the purpose of developing male sexual… 

Hormone secreted by beta cells located on the surface of the pancreas in response to elevations in blood glucose (sugar) levels, as for example, after eating a meal, for the purpose of bringing the level… 

  A defensive response of the body to injury or disease, causing redness, swelling, pain, and a feeling of heat in certain areas that is meant to protect affected tissues.

A blood vessel that carries blood away from the heart.

The process of identifying a disease or disorder by its signs and symptoms.

A blood vessel that carries blood toward the heart.