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S-2 spinal ganglion, S-3 spinal ganglion, S-4 spinal ganglion, S-5 spinal nerve, coccygeal spinal nerve, endomeninx, ependymal layer, junction of filum terminale and spinal cord, mantle layer, marginal layer, marginal vein, umbilical coelom, umbilical cord

A section through the S-3 and S-4 spinal ganglia.

Observe:
1. An oblique section of the spinal cord showing its three layers.
2. The junction of the filum terminale and the spinal cord.


Keywords: S-2 spinal ganglion, S-3 spinal ganglion, S-4 spinal ganglion, S-5 spinal nerve, coccygeal spinal nerve, endomeninx, ependymal layer, junction of filum terminale and spinal cord, mantle layer, marginal layer, marginal vein, umbilical coelom, umbilical cord

Source: Atlas of Human Embryos.