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L-1 dermatome, L-1 sclerotome, L-2 dermatome, L-2 sclerotome, L-3 dermatome, T-10 dermatome, T-10 sclerotome, T-11 sclerotome, T-12 sclerotome, T-9 dermatome, T-9 neural crest, coelom, edge of dorsal aorta, intersegmental artery, mantle-ependymal layer, marginal layer, notochord, postcardinal vein

A section through the T-9–L-3 dermatomes and the adjacent body wall.

Observe:
1. The caudal edge of the coelom on the right side.
2. The dorsal edge of the dorsal aorta.
3. The dorsal intersegmental arteries arising from the dorsal aorta.
4. The T-10 to L-2 sclerotomes.


Keywords: L-1 dermatome, L-1 sclerotome, L-2 dermatome, L-2 sclerotome, L-3 dermatome, T-10 dermatome, T-10 sclerotome, T-11 sclerotome, T-12 sclerotome, T-9 dermatome, T-9 neural crest, coelom, edge of dorsal aorta, intersegmental artery, mantle-ependymal layer, marginal layer, notochord, postcardinal vein

Source: Atlas of Human Embryos.