Difference between oogenesis and spermatogenesis
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|
Location |
Testes |
Ovary |
|
Number of gamete produce |
Life long production (millions) |
Fixed amount ( only mature 400) |
|
Per day gemate produce |
Millions sperm produce per day |
One ovum per
28 days cycle |
|
Gamete per germ cells |
Four |
One ovum and 2-3 polar body |
|
Beginning of the process |
At puberty |
At fetal life |
|
Time of gamete formation |
Continuous |
Once in a month |
|
End of process |
Life long but reduces in later part of life |
End at menopause |
|
Time of gamete release |
Anytime |
Once in a month |
|
Meiotic division |
Uninterrupted |
Arrested |
|
Name of immature cell |
Oogonia |
Spermatogonia |
|
Name of mature cell |
Ovum |
Spermatozoa |
|
Release of germ cell |
During ejaculation |
During ovulation |
|
Motility of mature germ cell |
Motile |
Not motile |
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