Lane Holiday Hours and Services   
Limited services during intersession

Bassett Collection of Stereoscopic Images of Human Anatomy

Ligaments and joints of lumbosacral spine and pelvic girdle

Ligaments of coccygeal region, close-up posterior view

Image #155-4

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

Creative Commons

These images are licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States License.

Creative Commons License logo

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

Ligaments and joints of lumbosacral spine and pelvic girdle
Ligaments of coccygeal region, close-up posterior view
1 . Dorsal branch of coccygeal nerve
2 . Dorsal branch of sacral nerve V
3 . Connecting ioop between fifth sacral nerve and coccygeal nerve
4 . Piriform muscle (transected)
5 . Sciatic nerve
6 . Lateral border of sacrum
7 . Inferior gluteal artery
8 . Internal pudendal vein (cut off)
9 . Upper pointer: Pudendal nerve Lower pointer: Internal pudendal artery
10 . Inferior rectal nerve
11 . Ischial spine (covered by fibers of coccygeus muscle)
12 . Coccygeus muscle (overlying sacrospinous ligament)
13 . Levator ani muscle (pointer on iliococcygeus muscle)
14 . Obturator internus muscle
15 . Upper pointer: Inferior rectal artery Lower pointer: Perineal artery
16 . Obturator fascia (reflected to expose perineal vessels and nerves in pudendal canal)
17 . Levator ani muscle (pointer on pubococcygeus muscle)
18 . Anococcygeal nerve
19 . Sacral horn
20 . Coccygeal horn
21 . Aperture for dorsal ramus of fifth sacral nerve
22 . Superficial dorsal sacrococcygeal ligament
23 . Upper pointer: Deep dorsal sacrococcygeal ligament Lower pointer: Sacrotuberous ligament
24 . Coccyx (terminal segment)
25 . Lunate fascia
26 . Inferior fascia of pelvic diaphragm
27 . Anococcygeal ligament
28 . External anal sphincter muscle
29 . Anus