UCSF Students

March 25, 2010

McBurney Incision anatomy and dissection

McBurney Incision anatomy and dissection

http://info.med.yale.edu/surgery/anatomy/graphics/mcburney_content.php

Yale school of medicine

Topics covered

SLIDE 1
- introduction
- McBurney (McBurney’s)
SLIDE 2
- skin
- scarpa’s fascia
- external oblique muscle
SLIDE 3
- external oblique muscle
- internal oblique muscle
SLIDE 4
- external oblique muscle
- internal oblique muscle
- internal oblique muscles are perpendicular to the external fibers
- transversus abdominus muscle
- peritoneum
SLIDE 5
- McBurney’s point lies two third of the way from the umbilicus to the anterior superior iliac spine

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March 17, 2010

Abdominal cross section anatomy at L5

Abdominal cross section anatomy at L5

Terms:

Left term: umbilical impression, ileum, rectus abdominis muscle, ileocecal junction, cecum, internal oblique muscle, external oblique muscle, psoas major muscle, iliacus muscle, body of L5 vertebra, lumbar cistern of subarachnoid space

Right term: common iliac arteries, ureter, ileum, descending colon, transversus abdominis muscle, lumbar plexus (ventral rami of L2-L4 becoming femoral and obturator nerves and L4 part of lumbosacral trunk), iliac crest, erector spinae muscle

Source:
Netter Anatomy

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March 15, 2010

L4 abdominal cross section

L4 abdominal cross section anatomy

Terms:
Left side:
Round ligament (ligamentum teres) of liver, transverse colon, branches of inferior epigastric vesselss, rectus sheath, transversus abdomini aponeurosis, external oblique aponeurosis, mesentery of small intestine, superior mesenteric vessels, small intestine (ileum), lymph node, ascending colon, right paracolic gutter, tendon of origin of transversus abdomini muscle, iliohypogastric nerve, ilioinguinal nerve, layers of thoracolumbar fascia (combined, middle, posterior), right colic vessels and branches, right genitofemoral nerve, transverse process of L4 vertebra, inferior vena cava, anterior longitudinal ligament, ligamentum flavum, abdominal aorta, spinous process of L3 vertebra, supraspinous ligament

Right side:
Linea alba, rectus abdominis muscle, omental appendices, greater omentum, parietal peritoneum, transversalis fascia, transversus abdominis muscle, internal oblique muscle, external oblique muscle, small intestine (jejunum), descending colon, left paracolic gutter, left ureter, quadratus lumborum muscle, latissimus dorsi muscle, testicular (ovarian) vessels, psoas minor muscle, parietal peritoneum, psoas major muscle, inferior mesenteric and 1st sigmoid vessels, left sympathetic trunk, left lumbar plexus ventral rami of L2,L3 spinal nerves, erector spinae muscle, superior articular process of L4 vertebra, Intercostal disc between L3 and L4 vertebrae, intermesenteric (aortic) plexus

Source:
Netter Anatomy

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