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Chapter 32 > chapter 32 > Flashcards

chapter 32 Flashcards

1
Q

What is responsible for developing sperm?

A

male reproductive system

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2
Q

What are considered the primary organs of the male reproductive system because they produce male sex cells.

A

Testes

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3
Q

What also produces the male hormone testosterone?

A

Testes

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4
Q

Most males have how many testes?

A

two

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5
Q

most males have two testes that are held just below what?

A

the pelvic cavity in the scrotum

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6
Q

during the fetal stage the testes develop in what?

A

abdominal cavity of the fetus.

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7
Q

when do the testes descend into the scrotal sac located just below the pelvic cavity?

A

shortly before or soon after birth.

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8
Q

What begins the process of making sperm cells?

A

Spermatoogenic cells of the seminiferous

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9
Q

the sperm cells do not mature until they travel to the…

A

epididymis

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10
Q

What is the process of sperm cell formation?

A

Spermatogenesis

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11
Q

Where is the epididymis located?

A

on top of each testis.

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12
Q

what happens inside the epididymis?

A

spermatids mature to become sperm cells.

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13
Q

What tube is coneccted to each epididymis?

A

Vas deferens

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14
Q

what tubes carry sperm cells from the epididymis to the urethra in the male pelvic cavity?

A

Vas deferens

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15
Q

what tube is are cut and tied on a male, or fulgurated, called a vasectomy, to prevent sperm from reaching the ovum.

A

Vas Deferens

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16
Q

___ ___ are sac-like organs that secrete an alkaline siminal fluid that is rich in sugars and prostaglandins..

A

Seminal vesicles

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17
Q

what release their product into the vas ddeferns just before ejaculation.

A

seminal vesicles

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18
Q

what makes up approximately 60% of semen volume?

A

seminal fluid

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19
Q

the muscular ____ ___ surrounds the proximal portion of the urethra.

A

prostate gland

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20
Q

what makes up about 40% of semen volume?

A

prostatic fluid

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21
Q

during ejaculation, the muscular contractions of the ___ help expel semen

A

prostate.

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22
Q

What is a mixture of sperm cells and fluids from the seminal vesicles, prostate gland, and bulbourethral glands.

A

Semen

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23
Q

a normal sperm count is more than…

A

80 million

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24
Q

what are the two male external reproductive organs?

A

scrotum & penis.

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25
Q

what is a pouch of skin that holds the testes?

A

scrotum

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26
Q

what holds the testes away from the rest of the body, keeping their temperature about one degree lower than the rest of the body, which is necessary for the viability of the sperm?

A

Scrotum

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27
Q

What is a cylindrical organ that moves urine and sperm out of the body?

A

penis

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28
Q

at the end of the penis is enlarged into a cone shaped structure called the ___ ___.

A

glans penis

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29
Q

what functions in urination because it contains the urethra, which drains urine from the bladder?

A

the penis

30
Q

what secretes hormones that regulate male reproductive functions?

A

the hypothalamus, the anterior gland, and the testes

31
Q

the hypothalamus release a hormone called?

A

gonadotropin releasing hormone (GnRH)

32
Q

GnHR stimulates the anterior pituitary gland to release…

A

(FSH) follicle-stimulating hormone, and (LH) lutenizing hormone

33
Q

what causes spermatogenesis to begin?

A

FSH Follicle-stimulating hormone.

34
Q

What stimulates interstitial cells to produce testosterone?

A

LH lutenizing hormone

35
Q

what is responsible for the development of male secondary sex characteristics that are typically unique to males.

A

testosterone

36
Q

what also stimulates the maturation of male reproductive organs?

A

testosterone

37
Q

what are considered the primary female sex organs ?

A

The ovaries

38
Q

the ovaries are considered the primary females sex organs because they produce the female sex cells called…

A

ova

39
Q

what do the ovaries also produce?

A

estrogen and progesterone.

40
Q

what are the female hormones?

A

estrogen and progesterone

41
Q

how many ovaries do most females have?

A

two

42
Q

Where are the ovaries located?

A

in the pelvic cavity

43
Q

what shape are ovaries?

A

oval

44
Q

what are the female reproductive internal accessory organs?

A

fallopian tubes, uterus, and vagina

45
Q

what is also called a oviduct?

A

a fallopian tube.

46
Q

what opens near each ovary, and yhe other end connects to the uterus?

A

fallopian tubes.

47
Q

what is the fringed, expanded end of the fallopian tube near an ovary called.

A

infundiubulum

48
Q

the infundibulum ends in ___ or finger-like projections.

A

fimbriae

49
Q

what “catches” and ovum as it leaves an ovary?

A

the infundibulum and fimbriae

50
Q

what is a hollow, muscular organ that recieves a developing embryo and sustains its development?

A

uterus

51
Q

what is the upper domed portion of the uterus called?

A

fundus

52
Q

what is the main portion of the uterus called?

A

the body

53
Q

what is the narrow, lower portion that extends into the vagina called?

A

cervix.

54
Q

what is the opening of the cervix called?

A

the cervical orifice

55
Q

the wall of the uterus has three layers which are the..

A

endometrium, myometrium, and perimetrium

56
Q

what is the innermost lining of the uterus

A

endometrium

57
Q

what is vascular with a rich blood supply and also contains numerous tubular glands that secrete mucus?

A

the endometrium

58
Q

what is the middle, thick, muscular layer of the uterus?

A

myometrium

59
Q

what is a thin layer that covers the myometrium, and secretes serous fluid that coats and protects the uterus?

A

perimetrium

60
Q

what is a tubular, muscular organ that extends from the uterus to the outside of the body?

A

the vagina

61
Q

what is the muscular folds of the vagina?

A

the rugae

62
Q

the rugae, the muscular folds of the vagina, allow it to…

A

expand to recieve and erect penis during sexual intercourse, and to provide a passageway for delivery of offspring as well as for uterine secretions.

63
Q

the opening of the vagina to the outside is known as the..

A

vaginal os, the vaginal orifice, or the vaginal introitus

64
Q

the female external genitalia, collectively known as the vulva, include the following structures…

A

mons pubis, labia majora, labia minora, clitoris, urethral meatus, vaginal orifice, bartholins glands, and perineum

65
Q

what are rounded folds of adipose tissue and skin that protect the other external female reproductive organs?

A

the labia majora

66
Q

what are typically covered in pubic hair in post-pubescent females

A

the labia majora

67
Q

what are folds of the skin between the labia majora? they are pinkish in color because of their high degree of vascularity. they merge together anteriorly to form a hood over the clitoris.

A

the labia minora

68
Q

sometimes referred to as the vestibular glands, secrete mucus into this area during sexual arousal

A

the Bartholin’s glands

69
Q

what is anterior to the urethral meatus. it contains the female erectile tissue and is rich in sensory nerves

A

clitoris

70
Q

what is the area between the vagina and the anus? this area that is sometimes “clipped” during the birth process, in a procedure known as an episiotomy.

A

perineum

71
Q

spermatgonia contains 46 chromosomes

A

these cells undergo mitosis , and the resulting cells are called primary spermatocytes. which also contain 46 chromosomes.

72
Q

the testis are one degree lower than the body temperature

A

,mn,

Chapter 32 (1 decks)

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