endocrine gland
noun [ C ] biology specialized uk/ˈen.də.krɪn ˌɡlænd/ us/ˈen.də.krɪn ˌɡlænd/
内分泌腺
any of the organs of the body, such as the pituitary gland or the ovaries, that produce and release hormones into the blood to be carried around the body
Synonym: ductless gland