only in taxon only_in_taxon composed primarily of existence ends during Eumetazoa fully formed stage anatomical system exocrine system Anatomical system that consists of the glands and parts of glands that produce exocrine secretions and help to integrate and control bodily metabolic activity. Exocrine glands are glands that secrete their products (hormones) into ducts (duct glands). They are the counterparts to endocrine glands, which secrete their products (hormones) directly into the bloodstream (ductless glands) or release hormones (paracrines) that affect only target cells nearby the release site. [Wikipedia]. MA:0002411 FMA:85539 EHDAA2:0002225 WikipediaCategory:Exocrine_system exocrine glandular system UMLS:C1516995 CALOHA:TS-2057 UBERON:0002330 uberon EMAPA:35329 Wikipedia:Exocrine_gland NCIT:C12957 exocrine gland