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Medical Anatomy > Reproductive System: Male Ch. 20 Part 1 > Flashcards

Reproductive System: Male Ch. 20 Part 1 Flashcards

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USMLE® Step 1 flashcards
1
Q

Process of combining genetic material from two organisms

A

Sexual Reproduction

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2
Q

A cell that fuses with another cell during fertilization of sexual reproduction

A

Gamete

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3
Q

Female sex cell or gamete (aka egg)

A

Ova

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4
Q

Male sex cell or gamete

A

Sperm

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5
Q

Initial cell formed from fertilization of gametes

A

Zygote

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6
Q

Organ that makes the gametes

A

Gonad

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7
Q

Organs of the reproductive system

A

Genitalia

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8
Q

Gonads

A

Essential reproductive organs

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9
Q

Supportive role in the reproductive system

A

Accessory

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10
Q

Male Reproductive Anatomy Functions:

  1. Produce male ___ to control ____ and development of the ___ sex characteristics
  2. Produce __
  3. To deliver ___ into female for reproduction
A
  1. Hormones, sex drive, secondary
  2. Sperm
  3. Semen
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11
Q

Male gonads, occur in pairs, each is oval shaped

A

Testes

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12
Q

Testes are located in the __, a pouch-like skin covered structure which is suspended outside of the body cavity below the penis

A

Scrotum

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13
Q

Each testis is surrounded by a tough whitish membrane called ___, the ___ repeatedly folds into the testis dividing it into many lobules

A

Tunica albuginea , tunica albuginea

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14
Q

Each lobule contains tiny __ and __ cells, these cells produce the male sex hormone testosterone which is released into the blood (endocrine)

A

Tubes and interstitial cells

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15
Q

Coiled tubes, one in each testis lobule, sperm produced and develop in the walls of these tubes, sperm pass from these tubes into the ___

A

Seminiferous tubules, Epididymis

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16
Q

Single, tightly coiled tube, lies along the top and behind the testes inside the scrotum, location for sperm to mature and develop flagella for movement, sperm move next into the ___

A

Epididymis, Ductus (vas) deferens

17
Q

Thick, smooth muscular tube which extends from the epididymis into the abdominal cavity by passing through the inguinal canal along with a bundle of blood vessels and nerves
-travels in front of the pubic bone, over and then behind the urinary bladder, ends in the ____

A

Ductus (vas) deferens, Ejaculatory duct

18
Q

Short tube where secretions from the seminal vesicle and the prostate gland are added, joins to the _____

A

Ejaculatory duct, Urethra

19
Q

Begins inside of the prostate gland, travels from the ejaculatory duct through the penis to the outside of the body, has a second origin which begins in the urinary bladder which is blocked during an erection

A

Urethra

20
Q 
Path of Sperm- Inside to Outside 
1.
2.
3.
4.
5.
A
  1. Seminiferous tubules
  2. Epididymis
  3. Ductus (vas) deferens
  4. Ejaculatory duct
  5. Urethra
21
Q

Purposes

  1. To ensure the ____
  2. To provide a force to hold together ___ by making them a relationship that is ____ in comparison to all others.
A
  1. To ensure the continuation of the human race
  2. To provide a force to hold together marriages by making them a relationship that is unique in comparison to all others
22
Q

Produce sperm and testosterone

A

Testes

23
Q

Secretes into the ejaculatory duct, product is a thick, yellowish liquid, rich in fructose to nourish the sperm, beginning of semen

A

Seminal vesicle

24
Q

Donates a thin, cloudy colored fluid to the semen, purpose is to activate the sperm and maintain their mobility

A

Prostate gland

25
Q

Donut shaped both the right and left vas deferens join here to become the urethra

A

Prostate gland

26
Q

Located just below the prostate gland and lubricates the urethra

A

Bulbourethral glands (aka Cowper’s gland)

27
Q

The mixture of sperm and secretions of the other glands listed

A

Semen

28
Q

Less than 5% of semen is

A

Sperm

29
Q

Semen

-about ____ per ejaculation but contains 3-5 ___ sperm

A

3-5 ml 3-5 million sperm

30
Q

Contains a ___ to divide right and left testes, also contains epididymis, ductus deferens

A

Scrotum, Septum

31
Q

Purpose- to become erect in order to enter and deposit sperm into the vagina during intercourse, requires sexual arousal

A

Penis

32
Q

Long portion contains 3 columns of spongy or erectile tissue which fill with blood during sexual arousal, the blood flow is controlled by a series of valves

A

Shaft

33
Q

Surrounds the urethra

A

Corpus Spongiosum

34
Q

Right and left, lie anterior to the corpus spongiosum

A

Corpora cavernosa

35
Q

Enlarged distal end- covered with a loose fitting retractable casing called the foreskin or prepuce

A

Glans (head)

36
Q

Another name for foreskin

A

Prepuce

37
Q

Sperm production, begins at puberty and continues through life but numbers may decrease

A

Spermatogenesis (Sperm physiology)

Medical Anatomy (1 decks)

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