What is the Difference Between Spermatogenesis and Oogenesis?
🆚 Go to Comparative Table 🆚Spermatogenesis and oogenesis are the processes of formation of male and female gametes, respectively. These processes involve the production of sperm and eggs, which eventually fuse to form a zygote that develops into an embryo. Here are the key differences between spermatogenesis and oogenesis:
- Occurrence: Spermatogenesis takes place in the testes, while oogenesis occurs inside the ovary.
- Process: Both processes involve the production of gametes from germ cells, but they differ in the number of gametes produced and the process of cytokinesis. In spermatogenesis, equal cytokinesis produces four sperms, while in oogenesis, unequal cytokinesis produces one ovum and four polar bodies.
- Motility: Spermatogenesis produces motile gametes (sperm), whereas oogenesis produces non-motile gametes (eggs).
- Continuous vs. Discontinuous: Spermatogenesis is a continuous process, with millions of sperms produced every day. In contrast, oogenesis is a discontinuous process, with the early stages occurring in the fetus and the rest in later stages of life.
- Food Reservation: Sperms have very little food reservation, while eggs store large amounts of food and metabolites.
On this pageWhat is the Difference Between Spermatogenesis and Oogenesis? Comparative Table: Spermatogenesis vs Oogenesis
Comparative Table: Spermatogenesis vs Oogenesis
Here is a table comparing the differences between spermatogenesis and oogenesis:
Feature | Spermatogenesis | Oogenesis |
---|---|---|
Location | Occurs inside the seminiferous tubules in the testis | Occurs inside the ovary |
Process | Haploid sperms are formed from a diploid stem cell | One oogonium produces a single ovum |
Duration | The entire process takes about 70 days | The major part of oogenesis occurs inside the ovary, with the last few stages occurring in the oviduct |
Stages | Completed through spermatocytogenesis, spermatidogenesis, and spermiogenesis | Occurs during fetal development and later stages of life |
Rate of Production | Forms millions of sperms every day | Releases one ovum per month |
Starting Cell | Develops from the germinal epithelium of the seminiferous tubules of the testes | Develops from the germinal epithelium lining the ovary |
Nature of the Process | Male version of gametogenesis, resulting in the formation of mature male gametes | Female version of gametogenesis, resulting in the formation of mature female gametes |
Product | Four sperms are formed by equal cytokinesis | One ovum and four polar bodies are produced by unequal cytokinesis |
Food Reservation | Very little food reserve in sperms | Large amounts of food and metabolites are stored in the ovum |
Spermatogenesis and oogenesis are the reproductive phases that include growth, maturation, and differentiation, with spermatogonia and oogonia multiplying by mitosis to form spermatocytes and oocytes. The spermatocytes and oocytes undergo meiosis and maturation to form spermatids and ootids, respectively.
Read more:
- Spermatogenesis vs Spermiogenesis
- Sporogenesis vs Gametogenesis
- Spermiogenesis vs Spermiation
- Meiosis vs Gametogenesis
- Male vs Female Gametogenesis
- Gametogenesis vs Embryogenesis
- Microsporogenesis vs Microgametogenesis
- Sperm vs Egg
- Organogenesis vs Somatic Embryogenesis
- Microsporogenesis vs Megasporogenesis
- Sporogony vs Schizogony
- Secondary Oocyte vs Ovum
- Gametic Sporic vs Zygotic Meiosis
- Somatic vs Germ Cells
- Gonads vs Gametes
- Sporophyte vs Gametophyte
- Somatic Cells vs Gametes
- Somatic Cell vs Egg Cell
- Male vs Female Gametes