secretion of exocrine gland seminal fluid MA:0002523 seminal plasma MAT:0000057 BTO:0001232 A substance formed from the secretion of one or more glands of the male genital tract in which sperm cells are suspended. MIAA:0000057 milt CALOHA:TS-0918 EMAPA:36543 FMA:62967 male reproductive gland secretion