Spleen is derived from -
Ans. is 'b' i.e., Dorsal mesogastrium o Spleen develops as a collection of mesenchymal cells in the dorsal mesogastrium.o Initially the splenic tissue is arranges as a number of lobules which later join together to form a single spleen. The notches in the superior border of adult spleen are representatives of growth that separated the lobules during fetal period.
Spleen
Ventral mesogastrium
Dorsal mesogastrium
Septum transversorium
Allantois
Dorsal mesogastrium