Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of anterolateral abdominal wall

External aspect of peritoneum, anterior view

Image #135-2

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

Dissection of anterolateral abdominal wall
External aspect of peritoneum, anterior view
The abdominal musculature has been cut from its costal attachments. Incisions have been carried downward on each side to the iliac crest and then anteriorly along the crest. The resulting apron has been reflected down over the pubic region and thighs. The thorax has been opened.
1 . Lung
2 . Xiphoid process
3 . Diaphragm (covered by pleura)
4 . Upper pointer: Costodiaphragmatic recess Lower pointer: Line of reflection of pleura from diaphragm
5 . Peritoneum (note abundant extraperitoneal fat near midline)
6 . Umbilicus
7 . Pericardium
8 . Costal cartilage VII
9 . Transversus abdominis muscle (cut across)
10 . Internal oblique muscle (cut across)
11 . External oblique muscle (divided)
12 . Iliac crest
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