Repro Gross Anatomy-Dr. Fletcher

Question 1

Perineum

Answer 1

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

Question 2

Urogenital Triangle

Answer 2

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

Question 3

Female External Genitals (Vulva)

Answer 3

• Labia Majora
• Labia Minor
  
  • Vestibule of Vagina
• Clitoris

Question 4

Labia Majora

Answer 4

• homologue to scrotum
• 2 prominent longitudinal folds

Question 5

Labia Minor

Answer 5

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

Question 6

Vestibule of Vagina

Answer 6

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

Question 7

Clitoris

Answer 7

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

Question 8

Male External genitals

Answer 8

• Scrotum
• Testis
• Epididymis
• Ductus (Vas) Deferens
• Penis

Question 9

Scrotum:

Answer 9

• 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

Question 10

Testis

Answer 10

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

Question 11

Epididymis

Answer 11

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

Question 12

Ductus (Vas) Deferens

Answer 12

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

Question 13

Penis

Answer 13

• 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

Question 14

Deep Perineal Pouch

Answer 14

• Superior to perineal membrane & superficial perineal pouch
• adjacent to pelvic diaphragm

Question 15

Male deep perineal pouch contains

Answer 15

• intermediate (membranous) urethra
• External urethral sphincter
• Bulbourethral glands

Question 16

Bulbourethreal glands

Answer 16

homologue to greater vestibular glands

Question 17

Female Deep Perineal Pouch contains

Answer 17

• urethra
• external urethral sphincter
• vagina

Question 18

Blood Supply of Urogenital Triangle

Answer 18

• 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