Male Reproductive System Flashcards

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1
Q

Function of male reproductive system.

A

Spermatogenesis i.e maintenance and production of sperms.

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2
Q

Parts of the male reproductive system.

A
  • Gonads (testes)
  • Accessory ducts (epididymis, ductus deferens, ejaculatory duct and urethra)
  • Accessory glands (seminal vesicles, prostate gland, bulbourethral glands)
  • Copulatory Organ (Penis)
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3
Q

Where does maturation of spermatozoa occur?

A

Rete Testis.

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4
Q

Function of epididymis.

A

Transport and storage of sperms.

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5
Q

Name accessory glands present in the Male Reproductive System

A

Seminal vesicle
Prostate gland
Bulbourethral gland

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6
Q

Name accessory ducts present.

A

epididymis
ductus deferens
ejaculatory duct
urinogenital duct

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7
Q

What is semen?

A

Semen is a white, sticky mixture of sperm and secretions of accessory glands.

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8
Q

What is the function of semen?

A

It provides nutrients and protection to sperms.
Also acts as a transport medium for sperms.

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9
Q

_______ ml of semen is secreted during ejaculation

A

2-5 ml.

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10
Q

There are ________ sperm per ml

A

20-150 million.

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11
Q

Describe the hormonal control of male reproductive system.

A

The hypothalamus releases Gonadotrophin Releasing Hormone or GnRH which causes the release of FSH and LH.
FSH stimulates the Steroli cells for development of sperms from spermatids i.e spermatogenesis.
LH stimulates Leydig cells to release testosterone. It causes the growth and development of germinal epithelium to form sperms.

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12
Q

Describe the process of Spermatogenesis.

A

Spermatogenesis is the process of sperm production. It takes place in germinal epithelium of seminiferous tubules.
Spermatogonia divide via mitosis to form primary spermatocyte. Each spermatocyte undergoes Meiosis I, forming two smaller haploid cells (secondary spermatocytes). Each secondary spermatocyte after meiosis II produces two daughter cells called Spermatids.
Each spermatid is a round, nonmotile haploid cell which after maturation forms motile and active sperms.
During maturation, a spermatid elongates, sheds its excess cytoplasm and forms a tail.

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