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week 52 > Dr. May Histology > Flashcards

Dr. May Histology Flashcards

1
Q
A

Seminiferous tubules

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2
Q

seminiferous tubules?

A
  • Fxn:
    • provide duct for sperm leaving testis to epididymis
  • Lots of tubes
  • spermatocytes-inside tube
  • Spermatagonia
    • border of tube
  • Sertoli cells
  • Leydig/Interstitial cells
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3
Q

Sertoli Cells

A
  • Found in Seminiferous tubules
  • Support and noursih developing spermatozoa
  • make androgen binding protein (ABP) to hold testosterone nearby
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4
Q

Leydig Cells

A
  • Found in seminiferous tubules
    • b/w tubes
  • Bind to LH
  • secrete testosterone (male sex hormone)
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5
Q

Identify total structure

A

Seminiferous tubules

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6
Q

What is the middle arrow referring to?

A

Spermatogonia in Seminiferous tubule

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7
Q

What is the bottom arrow referring to?

A

Spermatocytes in seminiferous tubule

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8
Q

Identify structure in left field of view

A

sertoli cells

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9
Q

Identify structure in the center field of view?

A

Leydig cells in seminiferous tubules

(aka interstitium cells)

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10
Q

What is the arrow referring to?

A

Leydig cells of seminiferous tubule

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11
Q

Label 1-6

A
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12
Q

Efferent ductule: Histo

A
  • Scalloped!
    • Epididymis has stereocilia in lUmen!
  • Tall ciliated columnar or low cuboidal epithelium
    • Low cuboidal cells-absorb testicular fluid
    • Cilia-move sperm
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13
Q

Identify

A

Efferent Duct

  • scalloped
  • no stereocilia (epididymis)
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14
Q

Epididymis

A
  • 3 parts:
    • Head
    • Body
    • Tail
  • Pseudostratified columnar epithelium
  • STEREOCILIA
    • so not eferent duct
  • Circular smooth muscle
  • might have bullet shaped heads in lumen
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15
Q
A
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16
Q

Identify

A
  • Epididymis
    • not scalloped
    • bullets in lumen or stereocilia
    • pseudostratified colunar epithelium
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17
Q

Identify

A

Efferent Ductule

  • Scalloped
  • no stereocilia
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18
Q

Identify

A
  • Epididymis
    • stereocilia
    • no scalloped
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19
Q

Identify

A

Vas Deferens

thick layer of smooth muscle (3 layers)

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20
Q

Vas Deferens: Histo

A
  • Pseudostratified columnar epithelium + Thick SM layer
    • 3 layers
      • outer=longitduintal SM
      • middle=circular SM
      • inner=longitudinal SM
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21
Q
A
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22
Q

Identify

A

Prostatic Urethra

SMILEY FACE

23
Q

Prostatic Uretha

A

Smiley Face!

24
Q

Identify:

A

Prostatic urethra

(smiley face or corpora amylacea)

25
Q

Identify

A

Penile Urethra

  • 2x corpus cavernosum
  • 1x corpus spongiosum
26
Q

Seminal Vesicle: Fxn

A
  • Primary producer of semen (60-70%)
    • alkaline viscous fluid
    • fructose rich
    • contains
      • citrate
      • prostaglandins
      • proteijns for coagulation of semen
27
Q

Identify:

A

Seminal Vesicle

28
Q

What is circled

A

Seminal Vesicle

29
Q

What is circled?

A

Prostate gland

30
Q

Identify?

A

Prostate gland

31
Q

Identify?

A

Bulbourethral gland

32
Q

Bulbourethral gland

A
  • superior to perineal membrane
  • embedded in urethral sphincter
  • openbs into spongy urethra
  • mucus like secretions
    • lubricate urethra
    • protect semen
33
Q

Prosstate Function

A
  • Secondary Producer of Semen (30-35%)
    • alkaline seminal fluid
  • PSA
    • prostate specific antigen
    • anti-coagulant
  • Filter toxins
  • Control urine release and flow
  • DHT
34
Q

Identify?

A

Broad Ligament

35
Q

Identify?

A

Round ligament of the uterus

36
Q

Identify

A

Primordial Follicle

37
Q

Identify?

A

Unilaminar Primary Follicle

38
Q

Identify?

A

Multilaminar Primary Follicle

39
Q

Identify?

A

Secondary Follicle

40
Q

Identify

A

Secondary Follicle

41
Q

Identify?

A

Graafian Follicle

42
Q

Identify?

A

Corpus Luteum

43
Q

Identify?

A

Corpus Luteum

44
Q

Identify?

A

Corpus Albicans

45
Q

Uterine Tube

A
  • 3 sections:
    • Ishmus
      • smallet lumen
      • Most SM
    • Ampulla
      • medium lumen
      • more SM layer
    • Infundibulum
      • largest lumen
      • lots of folds
  • 3 layers:
    • endometrium (inner)
    • myometrium
    • perimetrium (outer)
46
Q
A
47
Q

Identify?

A
  • Proliferative phase of endometrium
    • 1st half of cycle
    • ovary=follicular phase
48
Q

Identify?

A
  • Secretory phase of endometrium
    • 2nd half of cycle
    • ovary=Luteal phase
49
Q

Identify?

A

Cervix

50
Q

Cervix

A
  • Endocervix
    • simple columnar
  • Ectocervix
    • stratified squamous
    • covers vaginal surface
  • Transition:
    • inside cervical canal
51
Q

Identify?

A

Vagina

52
Q

Identify?

A

Seminal Vesicle

53
Q

Identify?

A

Utereus:

endometrius

myometrius

perimetrius

week 52 (9 decks)

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