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Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of male pelvis from a lateral approach

Interior of bladder

Image #170-6

KEYWORDS: Urinary tract.

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Dissection of male pelvis from a lateral approach
Interior of bladder
A large opening has been made in the left wall of the bladder to afford a view of the interior, particularly the area of the trigone.
  1. Left ureteric opening
  2. Fundus of bladder (mucosal tunic intact)
  3. Right pointer: Interureteric fold Left pointer: Trigone of urinary bladder (pointer indicates central part of trigone)
  4. Right utereric opening
  5. Right pointer: Apex of bladder Left pointer: Umbilicovesical fascia
  6. Umbilical prevesical fascia
  7. Internal urethral opening
  8. Retropubic space
  9. Puboprostatic ligament
  10. Pubic symphysis
  11. Upper pointer: Transverse perineal ligament Lower pointer: Dorsal vein of the penis (passing inward to prostatic plexus)
  12. Ureter left (cut off)
  13. Seminal vesicle
  14. Rectum
  15. Prostate (pointer on base)
  16. Pubovesicalis muscle
  17. Muscular tunic of bladder
  18. Levator ani muscle (medial border of puborectalis muscle)
  19. Superior fascia of urogenital diaphragm
  20. Sphincter muscle of urethra (remnant surrounding wall of membranous part of urethra) 21. Spongy part of urethra (opened)