any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream

the system of glands that produce endocrine secretions that help to control bodily metabolic activity

of or belonging to endocrine glands or their secretions

located near the base of the neck

any one of four endocrine glands situated above or within the thyroid gland

either of a pair of complex endocrine glands situated near the kidney

a firm partly muscular chestnut sized gland in males at the neck of the urethra; produces a viscid secretion that is the fluid part of semen

a ductless glandular organ at the base of the neck that produces lymphocytes and aids in producing immunity; atrophies with age

the system of glands that produce endocrine secretions that help to control bodily metabolic activity