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Carnegie Stage Section
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T-11 spinal ganglion, allantois, amnion on surface of umbilical cord, aorta, body of dorsal pancreas, caudal edge of left lobe of liver, cephalic edge of left foot, distal part of duodenum, external abdominal oblique muscle, head of ventral pancreas, iliocostalis muscle, internal abdominal oblique muscle, left umbilical artery, longissimus muscle, lower limb, mesonephros, origin of superior mesenteric artery, proximal limb of herniated midgut, rectus abdominis muscle, rib 12, right umbilical artery, spinalis muscle, spleen, subarachnoid space, transversus abdominis muscle, umbilical coelom
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Carnegie Embryo #4090   |   Location: 21-13

Keywords: T-11 spinal ganglion, allantois, amnion on surface of umbilical cord, aorta, body of dorsal pancreas, caudal edge of left lobe of liver, cephalic edge of left foot, distal part of duodenum, external abdominal oblique muscle, head of ventral pancreas, iliocostalis muscle, internal abdominal oblique muscle, left umbilical artery, longissimus muscle, lower limb, mesonephros, origin of superior mesenteric artery, proximal limb of herniated midgut, rectus abdominis muscle, rib 12, right umbilical artery, spinalis muscle, spleen, subarachnoid space, transversus abdominis muscle, umbilical coelom

Source: The Virtual Human Embryo.