Bassett Collection of Stereoscopic Images of Human Anatomy

Ligaments and joints of lumbosacral spine and pelvic girdle

Iliolumbar ligaments, anterior view

Image #155-6

KEYWORDS: Central nervous system, Muscles and tendons, Bones joints cartilage, Central nervous system, Muscles and tendons, Bones joints cartilage, Vasculature.

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

Ligaments and joints of lumbosacral spine and pelvic girdle

Iliolumbar ligaments, anterior view

Muscles within the pelvic cavity have been preserved. The main constituents of the sacral plexus have been left intact on the right side.

1 .	Body of vertebra L. IV (covered by anterior longitudinal ligament)
2 .	Transverse process vertebrae L. IV
3 .	Iliolumbar ligament
4 .	Lumbosacral trunk
5 .	Sacral nerve I (ventral branch)
6 .	Arcuate line
7 .	Obturator fascia
8 .	Tendinous arch of levator ani muscle
9 .	Intervertebral disc L. IV-V
10 .	Promontory
11 .	Iliac fossa
12 .	Lateral part of sacrum
13 .	Sacroiliac joint (pointer indicates ventral sacroiliac ligament)
14 .	Piriform muscle (cut across)
15 .	Greater sciatic foramen
16 .	Inguinal ligament
17 .	Superior fascia of pelvic diaphragm
18 .	Pelvic surface of sacrum
19 .	Levator ani muscle