<prompt> True about seminal vesicle is -Lined by ciliated columnar cellsContributes to 30 of semenSecretes secretion rich in fructoseHas acidic secretion  <response>: Ans. is c i.e., Secretes secretion rich in fructose o The seminal vesicles are a pair of elongated sac-like glands located at the base of urinary bladder.o The secretion from seminal vesicles constitutes around 60-70 of total ejeculate semen.o The secretion is alkaline, rich in fructose and provides nutrition to sperms.o Seminal vesicles consists of three layersi Mucosa : Lined by non-ciliated pseudostratified columnar epithelium.ii Muscular layer: Consists of smooth muscles arranged in inner circular and outer longitudinal layers.iii Adventitia : is a layer of connective tissue outside the muscular layer. 