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The ovaries, like their male counterpart, the testes, are known as gonads. ... In addition to their role in producing ova, the ovaries also have the distinction of being an endocrine gland because they secrete hormones—primarily estrogen and progesterone—that are vital to normal reproductive development and fertility

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Polycystic ovary syndrome (PCOS) is a condition that affects a woman's hormone levels. Women with PCOS produce higher-than-normal amounts of male hormones. This hormone imbalancecauses them to skip menstrual periods and makes it harder for them to get pregnant.

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Difference between normal and abnormal sperm.

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Difference between normal and abnormal sperm.

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Normal sperm have an oval head with a long tail. Abnormal sperm have head or tail defects — such as a large or misshapen head or a crooked or double tail. These defects might affect the ability of the sperm to reach and penetrate an egg. However, having a large percentage of misshapen sperm isn't uncommon.

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It's rare, but when it does happen it's often for no obvious reason. Occasionally torsion is brought on by a serious trauma to the testicles or strenuous activity. ...Testicular rupture, like testicular torsion and other serious injuries to the testicles, causes extreme pain, swelling in the scrotum, nausea, and vomiting.

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Even if the cyst doesn't rupture, it can sometimes cause the ovary to twist and cut off the blood supply. This is a serious condition called ovarian torsion in which the decreased circulation can cause ovarian tissues to die. As with a rupture, the pain will be severe and situated to one side.

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DIFFERENCE BETWEEN SPERMATOGENESIS AND OOGENESIS

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DIFFERENCE BETWEEN SPERMATOGENESIS AND OOGENESIS

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- 300 million per day
- 48 hours lifetime in female reproductive tract
FUNCTION
searching,reaching,penetrating the ovum

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The testes have two functions – to produce sperm and to produce hormones, particularly testosterone. Sperm are produced in the seminiferous tubules of the testes.

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The ovaries have two main reproductive functions in the body. They produce oocytes (eggs) for fertilisation and they produce the reproductivehormones, oestrogen and progesterone.

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Occurs after menses