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Male Reproductive System > Gross Anatomy > Flashcards

Gross Anatomy Flashcards

1
Q

Testis:

A

Male gonad; produces sperm.

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2
Q

Epididymis:

A

Coiled tube; superficial to testis; holds maturing sperm

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3
Q

Scrotum:

A

External pouch; holds testes outside body cavity

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4
Q

Spermatic cord:

A

Wraps structures that connect and support the testis

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5
Q

Ductus deferens:

A

Tube that conducts sperm from testis to prostate

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6
Q

Inguinal canal:

A

Tunnel that allows passage of spermatic cord

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7
Q

Seminal vesicle:

A

Gland that makes most of semen contents

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8
Q

Prostate gland:

A

Donut shaped gland, secrets fluid to activate sperm

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9
Q

Bulbourethral gland

A

Tiny red gland that produces mucus to drain penile urethra

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10
Q

Ejaculatory duct:

A

Short tube that conducts seminal fluid and sperm to urethra

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11
Q

Urethra

A

Conducts sperm outside of body

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12
Q

Penis

A

Male copulatory organ

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13
Q

Glans penis

A

Enlarged tip

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14
Q

Prepuce

A

Cuff of foreskin usually removed at birth

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15
Q

Erectile tissue:

A

Fills with blood during sexual excitement, causes erection; spongy tissue

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16
Q

Seminiferous tubule:

A

Location of sperm production

17
Q

Sperm head

A

Contains DNA

18
Q

Sperm tail:

A

Flagellum; enables swimming

19
Q

Interstitial cell:

A

Produces testosterone

20
Q

Mitosis:

A

Cell division that takes place to accomplish growth or tissue repair

21
Q

Meiosis:

A

Cell division for sexual reproduction purposes

22
Q

In humans how many chromosomes are in the nuclei of brain cells, skin cells, muscle cells, pancreas cells, and liver cells?

A

46

23
Q

Cells that are not sex cells

A

Somatic cells

24
Q

All somatic cells are

A

2N

25
Q

If a somatic cell divides, the resulting daughter cells are?

A

Identical

26
Q

Mature gametes have ___ chromosomes?

A

23

27
Q

Seminiferous tubules contribution to semen composition:

A

Sperm (5%)

28
Q

Prostate gland contribution to semen composition

A

Slightly acidic, antibiotic fluid (30%)

29
Q

Bulbourethral gland contribution to semen composition

A

Alkaline lubricating fluid (less than 5%)

30
Q

Seminal vesicles contribution to semen composition

A

Sugar, vitamin C, prostaglandins, clotting proteins (60%)

31
Q

Spermatogenesis

A

Sperm production

32
Q

Spermiogenesis

A

After meiosis

33
Q

How many chromosomes are present in the nucleus of a spermatogonium?

A

46 (2N)

34
Q

FSH

A

Produced by Anterior Pituitary. Produces sperm.

35
Q

ICSH (LH in girls)

A

Produced by Anterior Pituitary. Released by testosterone.

36
Q

Testosterone

A

Produced by Interstitial cells. Secondary sex characteristics

37
Q

Inhibin

A

Produced by seminiferous tubules. Inhibits FSH secretion

Male Reproductive System (1 decks)

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