what is a secretory organ
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. gland, secreter, secretor. green gland-one of a pair of glands (believed to have excretory functions) in some crustaceans near the base of the large antennae.oun. 1. secretory organ-any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream. gland, secreter, secretor. green gland-one of a pair of glands (believed to have excretory functions) in some crustaceans near the base of the large antennae.