en·do·cri·nol·o·gy 
(ĕn′də-krə-nŏlə-jē)
(ĕn′də-krə-nŏlə-jē)n.
The branch of medicine that deals with the diagnosis and treatment of diseases and disorders of the endocrine glands.
en′do·cri′no·logic (-krĭn′ə-lŏjĭk), en′do·crin′o·logi·cal adj.
en′do·cri·nolo·gist n.