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Biology 2 > 4.1 Human Male Reproductive Anatomy (part 1) > Flashcards

4.1 Human Male Reproductive Anatomy (part 1) Flashcards

1
Q

What is the male gonad?

A

testis

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2
Q

What is the female gonad?

A

ovary

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3
Q

What are the external reproductive organs of a male?

A

scrotum and penis

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4
Q

What are the internal reproductive organs of a female?

A

gonads

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5
Q

What are the gametes produced from primordial germ cells?

A

sperm

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6
Q

What do you call the testes’ connective tissue tubes that are highly coiled?

A

seminiferous tubules

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7
Q

What is the site for sperm production in the testes?

A

seminiferous tubules

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8
Q

What accessory cell lines the perimeter of the tubules in the testes?

A

Sertoli cells

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9
Q

What are the vascularized connective tissue cells situated in between the tubules in the testes?

A

Leydig cells

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10
Q

What is responsible for the secretion of the reproductive hormones in males?

A

Leydig cells

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11
Q

What is the sac that regulates the temperature for sperm production?

A

scrotum

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12
Q

Where do sperm and sertoli cells migrate to?

A

lumen of the tubules

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13
Q

What is the coiled duct in which the sperm passes through and is stored within?

A

Epididymis

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14
Q

What happens during ejaculation? (hint: PVD, LUB, ED, WU)

A

PROPELLED through the VAS DEFERENS into the abdomen, LOOPS around the URINARY BLADDER, joins with the seminal vesicle to form a short EJACULATORY DUCT which receives secretions from other glands and WENDS into the URETHRA.

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15
Q

What helps form the semen fluid?

A

three sets of glandular secretions

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16
Q

What secretes a thick yellowish fluid that protects and nourishes the sperm?

A

The two seminal vesicles

17
Q

What contributes to 60% of the total volume of semen?

A

Thick yellowish fluid released by seminal vesicles

18
Q

What secretes a milky, alkaline fluid into the urethra through several small ducts?

A

prostate gland

19
Q

What are the three accessory glands that releases the three sets of glandular secretions?

A

seminal vesicles, prostate glands, bulbourethral glands

20
Q

What secretes a clear mucus before ejaculation to neutralize the acidic urine remaining in the urethra?

A

bulbourethral glands

21
Q

How many mL of semen are released during a typical ejaculation?

A

5 mL

22
Q

How much sperm is in one mL of semen?

A

50-120 million

Biology 2 (22 decks)

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