Sperm:
A sperm is usually a small, compact cell, highly specialized for the task of fertilizing an egg. sperm is the male sex cells that carry a man’s genetic material. They are so tiny that they can’t be seen without a microscope.
Ovum:
Ovum or egg is the female reproductive cell or gamete Which develops into a new member after the process of fertilization.
Difference between Sperm and Ovum:
| Sperm | Ovum |
| 1. Sperms are produced in the testes | 1. Ovum are produced in the ovaries |
| 2. Four sperms are formed from one spermatogonium | 2. One oogonium produce one ovum |
| 3. Sperms are motile, sperms eject hyaluronidase upon the wall of ovum for penetration purpose | 3. Ovum are non-motile, it engulfs sperm by forming reception cone |
| 4. A mature sperm is made of four parts like head, neck, body and tail | 4. Such type of parts are absent |
| 5. Sperm posses very small quantity of cytoplasm | 5. Ovum has large quantity of cytoplasm, termed as ooplasm |
| 6. Mitochondria form a spiral in the body | 6. Mitochondria are scattered |