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T-8 spinal ganglion, T-9 spinal nerve, coccygeal spinal ganglion, dermatome remnant, dorsal aorta, dorsal mesentery, gonadal ridge, hindgut and rectum junction, mesonephric duct, metanephric diverticulum, notochord, peritoneal cavity, sclerotome, splanchnic nerve, sympathetic neuroblasts, thigh mesoderm, tip of notochord, tubule

A section through the T-8 and coccygeal spinal ganglia.

Observe:
1. The sympathetic neuroblasts surrounding the dorsal aorta.
2. The two segments of the mesonephric duct.
3. The junction of the hindgut with the rectum.
4. The minute metanephric diverticulum near its origin from the urogenital sinus horn in Section 33.


Keywords: T-8 spinal ganglion, T-9 spinal nerve, coccygeal spinal ganglion, dermatome remnant, dorsal aorta, dorsal mesentery, gonadal ridge, hindgut and rectum junction, mesonephric duct, metanephric diverticulum, notochord, peritoneal cavity, sclerotome, splanchnic nerve, sympathetic neuroblasts, thigh mesoderm, tip of notochord, tubule

Source: Atlas of Human Embryos.