<prompt> Spleen develops from ?Ventral mesogastriumDorsal mesogastriumHindgut mesenteryMidgut mesentery  <response>: Spleen develops in cephalic pa of dorsal mesogastrium from its left layer during 6th week of intrauterine life into a number of nodule which soon fuse to form a lobulated spleen.Notching of superior border is an evidence of its multiple origin.The nodules which fail to fuse form accessorysupernumerary -spleen or spleniculi.These may be found at :i Hilum of spleen most common site.ii Tail of pancrease.iii Derivatives ofdorsal mesogastrium :- Greater omentum, gastrophrenic ligament, gastrosplenic ligament, linorenal ligament.iv Broad ligament of uterus in males and spermatic cord in female; both left side. 