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Hugh's MD1 Reproduction > Testicular Function > Flashcards

Testicular Function Flashcards

1
Q

Which aspect of the pituitary produces LH and FSH?

A

Anterior

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2
Q

In males, does LH drive spermatogenesis or testosterone production?

A

Testosterone production

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3
Q

Apart from the ovaries and testis, what else produces sex steroids?

A

The adrenal gland

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3
Q

Which hormone provide negative feedback in the male reproductive system?

A

Testosterone

Inhibin

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4
Q

What are the two major functions of reproductive organs?

A

Gametogenesis

Production of hormones

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4
Q

What drives inhibin production?

A

FSH

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5
Q

What catalyses the conversion of testosterone to DHT?

A

5alpha-reductase

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6
Q

What is andropause characterised by?

A

Lower testosterone production

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7
Q

At what point is semen injected into the urethra?

A

In the distal aspect of the prostate via the ejaculatory duct

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9
Q

Which cells produce testosterone?

A

Leydig cells

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9
Q

Which cells produce sperm?

A

Sertoli cells of the seminiferous tubules

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9
Q

What is the name of the cells produced in meiosis of the primary oocytes that don’t become the ovum? What happens to them?

A

Primary and secondary polar cells

They degenerate

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11
Q

When does spermatogenesis begin?

A

Puberty

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13
Q

Aproximately how many primary oocytes are babies born with?

A

~5million

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16
Q

When does the first meiotic division of oogenesis occurs?

A

Just prior to the ovulation in a matured primary oocyte

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17
Q

What is the name of the cell that is maintained after the first mitotic division in spermatogenesis?

A

Spermatogonia

17
Q

How many chromosomes do primary oocytes have?

A

46

18
Q

In males, does FSH drive spermatogenesis or testosterone production?

A

Spermatogenesis

19
Q

In females, does FSH predominantly control gamete or hormone production?

A

Gamete

20
Q

What occurs in the epididymitis?

A

Sperm maturation

21
Q

In females, does LH predominantly control hormone or gamete production?

A

Mainly hormone production

Also can has some control over gamete production though

22
Q

What are the stages of spermatogenesis?

A

Spermagonium (mitosis) > Spermagonia (mitosis) > Primary spermocyte (meiosis) > Secondary spermocytes (meiosis) > Spermatids (packaging) > Spermatozoa

23
Q

When does oogenesis begin?

A

Foetal life

24
Q

What are the names of the peptides hormones that regulate reproduction?

A

Inhibin and activin

Hugh's MD1 Reproduction (18 decks)

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