[TA] one of two folded, sacculated, glandular structures that is a diverticulum of the ductus deferens; its secretion is one of the components of semen; it normally does not store spermatozoa as was previously thought. SYN: glandula vesiculosa [TA], glandula seminalis*, seminal vesicle*, vesicula seminalis*, gonecyst, gonecystis, seminal capsule.
