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|Noun||1.||secretory organ - any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream|
green gland - one of a pair of glands (believed to have excretory functions) in some crustaceans near the base of the large antennae
sericterium, serictery, silk gland - silk-producing gland of insects (especially of a silkworm) or spiders
organ - a fully differentiated structural and functional unit in an animal that is specialized for some particular function
ductless gland, endocrine gland, endocrine - any of the glands of the endocrine system that secrete hormones directly into the bloodstream
acinus - one of the small sacs or saclike dilations in a compound gland