Write a sentence each about the following:
A)Cells of corona radiata
B)Sperm
C)Perivitelline space
D)Zona Pellucida
E)Ovum

Dear Student, 1. Corona radiata is a layer of cells that surrounds the unfertilized ovum.  2. Sperm is a part of male reproductive system of living organisms 3. Between the vitelline membrane and zona pellucida, there is a narrow space called perivitelline space 4. Zona pellucida is protective layer made up of glycoproteins which helps in surrounding the layer of mammalian oocytes. 5.  ovum is a female gamete, a specialized cell used in sexual reproduction Regards