Bassett Collection of Stereoscopic Images of Human Anatomy
Dissection of female pelvis froma lateral approach
Sphincter ani externus muscle, close-up view
Image #159-6
KEYWORDS: Muscles and tendons, Bones joints cartilage.
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Dissection of female pelvis froma lateral approach
Sphincter ani externus muscle, close-up view
The specimen shown in the previous view is here seen in a close-up centered on the sphincter ani externus muscle.
- Levator ani muscle (pointer on puborectalis muscle)
- Inferior rectal artery (small branch cut off)
- Anococcygeal nerve
- Anococcygeal ligament
- Area of communication between ischiorectal fossae of two sides
- Deep part
- Superficial part
- Subcutaneous part (6-8 refer to the external anal sphincter)
- Anus
- Longitudinal muscle layer of anal wall
- Central tendon of perineum
- Vaginal wall
- Vestibule of vagina (opened by removal of labia on right side)
- Ischiorectal fossa (remnant of anterior recess)
- Obturator fascia
- Dorsal artery of clitoris
- Crus of clitoris
- artery of vestibular bulb
- Vestibular bulb
- Major vestibular gland