Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of female pelvis froma lateral approach

Contents of greater sciatic foramen, close-up lateral view

Image #159-1

KEYWORDS: Muscles and tendons.

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Higher resolution images are available for a fee. Contact Drew Bourn, PhD, MLIS.

Dissection of female pelvis froma lateral approach
Contents of greater sciatic foramen, close-up lateral view
The specimen has been rotated slightly and is viewed here from a somewhat posterolateral direction.
1 . Lateral sacral crest
2 . Piriform muscle (emerging through greater sciatic foramen)
3 . Inferior gluteal artery (cut off)
4 . Inferior gluteal veins
5 . Upper pointer: Nerve to obturator internus muscle (cut off) Lower pointer: Inferior gluteal nerve
6 . Left pointer: Middle cluneal nerve (traced from dorsal ramus of 2nd sacral nerve) Right pointer: Coccygeal branch of inferior gluteal artery
7 . Left pointer: Sacrotuberous ligament Right pointer: Sacrospinous ligament
8 . Pudendal nerve (passing through lesser sciatic foramen)
9 . Internal pudendal artery
10 . Superior gluteal artery
11 . Superior gluteal vein
12 . Superior gluteal nerve
13 . Parietal pelvic fascia (completing closure of greater sciatic foramen)
14 . Sciatic nerve (upper pointer, tibial nerve; lower pointer, common peroneal nerve)
15 . Margin of greater sciatic foramen
16 . Acetabular labrum
17 . Levator ani muscle
18 . Margin of lesser sciatic foramen
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