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 ...

It's lined with mucous and helps regulate pressure around the eardrum so that sound waves can be transferred. Ears can vary, so what's considered normal anatomy of the inner or outer ear in one person ...