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HISTO [FINALS] > male reproductive > Flashcards

male reproductive Flashcards

1
Q

identify

  • Single, highly coiled tube around 4 – 6 meters long, with a body and tail
  • Lined by pseudostratified epithelium on a basal lamina with apical stereocilia (long, irregular, non-motile microvilli)
  • Secretory cells, phagocytic, capable of peristaltic movements to propel sperm towards ductus deferens
A

ductus epididymis

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2
Q

identify

The prostate gland consists of (?) and (?)

A
  • glandular or epithelial cells
  • stromal cells
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3
Q

identify

Sperm are produced in the seminiferous tubules at a rate of about (?) per day in the young adult

A

2 × 108

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4
Q

identify

largest sperm cells

[spermatogenic cells]

A

primary spermatocyte

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5
Q

identify

The prostate is surrounded by a (?), from which septa extend and divide the gland into indistinct lobes

A

fibroelastic capsule

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6
Q

identify

the male reproductive system synthesizes hormones like (?), which are pivotal for male physiological development.

A

testosterone

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7
Q

identify

blood-testis barrier, also known as

A

sertoli cell seminiferous epithelium barrier

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8
Q

identify

located in the lumen; the result of spermiogenesis with long flagella

[spermatogenic cells]

A

spermatozoa

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9
Q

identify

Each testes is surrounded by a dense connective tissue capsule; (?) which thickens on the posterior side to form the mediastinum testis

A

tunica albuginea

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10
Q

identify

a long straight tube with a thick, muscular wall and a relatively small lumen, leaves the scrotum and continues toward the prostatic urethra where it empties

A

ductus (vas) deferens

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11
Q

identify

The penis consists of three cylindrical masses of erectile tissue:

A
  • penile urethra (surrounded by skin)
  • corpora cavernosa (dorsal)
  • corpus spongiosum (surrounds the urethra)
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12
Q

identify

the male reproductive components collaborate to (?), (?), and (?) sperm

A
  • produce
  • store
  • release
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13
Q

identify

A unique organ on male that secretes sperm and also contains endocrine cells secreting hormones such as testosterone, which drives male reproductive physiology.

A

testes

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14
Q

identify

  • mesothelial sac which covers the anterior surface of each testes
  • extension of the peritoneum as it descended into the scrotum

[testes]

A

tunica vaginalis

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15
Q

identify

major energy source for sperm

A

fructose

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16
Q

identify

Extension of the tunica albuginea which penetrates the testes and divides it into 250 compartments or lobules

[testes]

A

septa

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17
Q

identify

Sperm transit through the epididymis typically takes (?) weeks

A

2-4

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18
Q

identify

straight ducts; lined by simple cuboidal epithelium

A

tubuli recti

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19
Q

identify

large nondividing cells

A

sertoli cells

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20
Q

identify

About 70% of the organ’s tissue contains the prostate’s main glands with still longer ducts

A

peripheral zone

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21
Q

identify

Occupies only about 5% of the prostate volume, surrounds the superior portion of the urethra, and contains periurethral mucosal glands

A

transitional zone

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22
Q

identify

Tunica vaginalis consists of an (?) lining the scrotum and an (?)

A
  • outer parietal layer
  • inner visceral layer
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23
Q

identify

dense connective tissue capsule that forms the mediastinum testis along the posterior surface

[testes]

A

tunica albuginea

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24
Q

identify

Each lobule consists of a number of (?), which are lined by columnar epithelial cells

[cowper’s glands/bulbourethral glands]

A

acini

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25
Q

identify

is a saclike
structure containing the
testes

A

scrotum

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26
Q

identify

Fluid from seminal vesicles typically makes up about
(?) of the ejaculate

A

70%

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27
Q

identify

The (?) region receives efferent ductules,

the (?) region facilitates further modifications to sperm cells,

and the (?) region stores sperm until ejaculation

A
  • head
  • body
  • tail
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28
Q

identify

It divides the seminiferous epithelium into the basal and the apical (adluminal) compartments

A

blood-testis barrier

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29
Q

identify

a long, highly coiled duct located in the scrotum along the superior and posterior sides of each testis

A

epididymis

30
Q

identify

Each tubule measures (?) in diameter and (?) in length.

The combined length of the tubules of one testis totals about (?)

[seminiferous tubules]

A
  • 150-250 μm
  • 30-70 cm
  • 250 m
31
Q

identify

three excretory genital ducts:

A
  • ductus epididymis
  • ductus (vas) deferens
  • ejaculatory duct
32
Q

identify

3-5 mm in diameter, are located in the urogenital diaphragm and empty into the proximal part of the penile urethra

A

cowper’s gland / bulbourethral glands

33
Q

identify

product of first meiotic division; rare in histologic sections because they rapidly undergo 2nd meiotic division

[spermatogenic cells]

A

secondary spermatocyte

34
Q

identify

  • Elongated, branched, pyramidal-shaped cells in the basal lamina
  • With deep cytoplasmic in foldings which embrace developing spermatogenic cells
A

sertoli cells

35
Q

identify

the male reproductive includes the:

A
  • testes
  • genital ducts
  • accessory glands
  • penis

[TGAP]

36
Q

identify

least differentiated cells, small, round, nearest the basal lamina (MITOSIS)

[spermatogenic cells]

A

spermatogonium/a

37
Q

identify

anastomosing network in the mediastinum testis

A

rete testis

38
Q

identify

Each testis has from (?) such tubules in its lobules

A

250 to 1000

39
Q

identify

a general term for small hyaline masses found in the prostate gland, nervous system, lung, and sometimes in other organs of the body

A

corpora amylacea
[latin: starch bodies]

40
Q

identify

the first part of sperm production
involves mainly mitosis and meiosis

A

spermatogenesis

41
Q

identify

  • single straight tube with muscular walls ascends within the spermatic cord through the inguinal canal as it joins the seminal vesicle near the prostate
  • with thick muscular walls capable of powerful peristaltic contractions during ejaculation with an ampulla at the terminal portion with a highly folded mucosa
A

ductus (vas) deferens

42
Q

identify

consists of sparse connective tissue containing fibroblasts, lymphatics, and blood vessels including fenestrated capillaries

A

interstitial tissues

43
Q

identify

Germinal epithelium consists of two types of cells

A
  • sertoli cells
  • spermatogenic cells
44
Q

identify

epididymis is approximately (?) meters in length and consists of three regions: (?), (?), and (?)

A
  • 6
  • head
  • body
  • tail
45
Q

identify

dividing cells

A

spermatogenic cells

46
Q

identify

The cells in the seminal vesicles are made up of
(?)

A

epithelial cells

47
Q

identify

three intratesticular ducts:

A
  • tubuli recti
  • rete testis
  • ductuli efferentes
48
Q

identify

  • Plays a role in the maturation, storage, and transport of spermatozoa.
  • Requires adequate amounts of testosterone for normal function.
  • With secretory epithelium to provide sperms with nutrients
A

duct system

49
Q

identify

Allows semen to coagulate after ejaculation

A

fibrinogen

50
Q

identify

Interstitial cells of Leydig à secretes (?) found in between the seminiferous tubules

A

testosterone

51
Q

identify

During migration from the abdominal cavity, each testis carries with it a serous sac

A

tunica vaginalis

52
Q

identify

The epididymal duct is surrounded by a thin, circular layer of (?)

A

smooth muscle cells

53
Q

identify

internal structure of testes:

A
  • septa
  • lobules
54
Q

identify

Both ducts from each testis empty into a common urethra

A
  • intratesticular genital ducts
  • excretory genital ducts
55
Q

identify

Comprises 25% of the gland’s tissue and contains the periurethral submucosal glands with longer ducts

A

central zone

56
Q

identify

  • Short duct with pseudostratified epithelium
  • Found at the junction of the ductus deferens and the duct of the seminal vesicle.
  • Penetrates the prostate and empty into prostatic urethra.
A

ejaculatory duct

57
Q

identify

Stimulate activity in the female
reproductive tract

A

prostaglandins

58
Q

identify

The excretory genital ducts are those of the:

A
  • epidididymis
  • ductus (vas) deferens
  • urethra
59
Q

identify

are exocrine glands in which the
production of their viscid, yellowish secretion depends on testosterone

A

seminal vesicles

60
Q

identify

other name for ductuli efferentes

A

efferent ductules

61
Q

identify

a common surgical method for male contraception, involving a small incision in the scrotal skin near the two ducts of the spermatic cords

A

vasectomy

62
Q

identify

product of 2nd meiotic division located next to the lumen (undergo spermiogenesis)

[spermatogenic cells]

A

spermatids

63
Q

identify

Most of the penile urethra is lined with (?)

A

pseudostratified columnar epithelium

64
Q

identify

Each seminiferous tubule is lined with a complex, specialized stratified epithelium called (?)

A

germinal / spermatogenic
epithelium

65
Q

identify

An erection is when your penis becomes hard and enlarged from an increase in blood flow

A

penile erection

66
Q

identify

are typically ovoid or triangular, euchromatic, and have a prominent nucleolus

A

sertoli cells

67
Q

identify

Each Sertoli cell supports (?) developing germ cells

A

30-50

68
Q

identify

Sertoli cells were named after (?)

A

Enrico Sertoli

69
Q

identify

Includes 1 – 4 seminiferous tubules (exocrine) with discrete clumps of Leydig’s cells

[testes]

A

lobules

70
Q

identify

located just below the bladder in
men and surrounds the top portion of the tube that drains
urine from the bladder (urethra)

A

prostate gland

71
Q

identify

external coverings of testes:

A
  • tunica vaginalis
  • tunica albuginea

HISTO [FINALS] (5 decks)

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