Hormones are chemical messengers that the endocrine glands produce and release into the bloodstream. Hormones help regulate many bodily processes, such as appetite, sleep, and growth. Sex hormones ...

Thyroid nodules are solid or fluid-filled lumps or bumps. They're found on your thyroid, a small gland in your neck. This gland makes thyroid hormone, which affects your metabolism (the ...

The thyroid gland is part of the endocrine system (along with the adrenal glands, hypothalamus, pituitary, ovaries, and testes, and other endocrine organs). The thyroid gland releases hormones into ...

The integumentary system is the body’s outermost layer. Composed of skin, hair, nails, glands, and nerves, its main job is to protect your insides from elements in your environment, like pollution and ...

There are 2 adrenal glands, one above each kidney. They make hormones that help the body work properly and are vital to life. Most tumours of the adrenal gland are called adenomas. These are not ...

What is a Rathke cleft cyst? A Rathke cleft cyst (RCC) is a noncancer (benign) fluid-filled growth that develops between the parts of the pituitary gland at the base of the brain. It's a congenital ...