what is the difference between ovum and sperm
Key Difference: Sperm is the gamete that is produced in the testis of a male, whereas ovum is the gamete that is produced in the ovary of a female. Ovum is also known as an egg cell. These are the cells that forms a part of womanâs reproductive system and are one of the largest cells in the female body.On the other hand, sperm cells are the complete opposite of egg cells. The sperm is one of the smallest cells in the male body.perm is the gamete that is produced in the testis of a male. Anatomy. Ovum has a nucleus that is surrounded by cytoplasm, which is guarded by the zona pellucid and the follicular cells. A sperm cell consists of a head, a mid-piece and a tail.