Repro Gross Anatomy-Dr. Fletcher Flashcards

1
Q

Perineum

A
  • Diamond shaped area
  • Between Medial thighs
  • Anterior to sacrum and coccyx
  • Line divides into:
    • anterior- urogenital triangle
    • Posterior-anal triangle
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2
Q

Urogenital Triangle

A
  • Homologous structure between female and males
    • develop from embryonic primordia
  • Females:
    • Bilateral Primordia
      • except midline cleft
  • Males:
    • bilateral primordia fused into midline structures
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3
Q

Female External Genitals (Vulva)

A
  • Labia Majora
  • Labia Minor
    • Vestibule of Vagina
  • Clitoris
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4
Q

Labia Majora

A
  • homologue to scrotum
  • 2 prominent longitudinal folds
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5
Q

Labia Minor

A
  • homologue to ventral surface of penis
  • 2 smaller folds
  • medial to labia majora
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6
Q

Vestibule of Vagina

A
  • cleft b/w labia minora
  • urethra, vagina, and ducts of various glands open into
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7
Q

Clitoris

A
  • homologue to penis
  • mobile body (ending in glans) and attached to root
  • composed of 3 cylindrical bodies of erectile tissue
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8
Q

Male External genitals

A
  • Scrotum
  • Testis
  • Epididymis
  • Ductus (Vas) Deferens
  • Penis
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9
Q

Scrotum:

A
  • homologue to labia majora
  • pouch containing:
    • testes
    • epididymides
    • distal part of ductus deferns
  • Scrotal Wall is continuation of superficial abdomiinal fascia
    • contains smooth muscle fibers (dartos muscle)
      • cold temperatures contract
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10
Q

Testis

A
  • homologue to ovary
  • suspended in scrotum by spermatic cord
  • efferent ductules transport sperm to epididymis
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11
Q

Epididymis

A
  • Cap-like structure
  • superior and posterior to testis
  • stores sperm as they mature
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12
Q

Ductus (Vas) Deferens

A
  • located posterior in spermatic cord
  • Ascends scrotum and passes through
    • superficial inguinal ring
    • abodminal wall
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13
Q

Penis

A
  • homologue to clitoris
  • has
    • mobile body (Shaft)
    • attached root,
    • prepuce (Fore-skin)
    • glans containing external urethal orifice
  • Composed of 3 cylindrical bodies (Corpora) of erectile tissue
    • paired corpora cavernosa
      • dorsum of penis
    • single corpus spongiosum
      • contain spony urethra
      • expands distally to form conical glans
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14
Q

Deep Perineal Pouch

A
  • Superior to perineal membrane & superficial perineal pouch
  • adjacent to pelvic diaphragm
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15
Q

Male deep perineal pouch contains

A
  • intermediate (membranous) urethra
  • External urethral sphincter
  • Bulbourethral glands
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16
Q

Bulbourethreal glands

A

homologue to greater vestibular glands

17
Q

Female Deep Perineal Pouch contains

A
  • urethra
  • external urethral sphincter
  • vagina
18
Q

Blood Supply of Urogenital Triangle

A
  • Internal pudental artery branches (branch of internal iliac)
    • superficial and deep perineal pouches
    • external genitals
  • Penile Bulb Artery (Vestibular Bulb)
    • bulb
    • corpus spongiosum
  • Deep Artery of Penis/Clitoris
    • corpus cavernosum
  • Dorsal artery of penis/clitoris
    • shaft
    • glans