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Diagram showing development of neural tube and crest.

Development of Neural Tube

Diagram showing development of neural tube and crest.

Transverse section through the early neural tube, diagrammatically represented. The left side of the section exhibits an earlier stage of development than the right side.

Section Through Early Neural Tube

Transverse section through the early neural tube, diagrammatically represented. The left side of the…

Diagram showing development of a spinal nerve and its components, together with the spinal sympathetic ganglia.

Development of Spinal Nerve

Diagram showing development of a spinal nerve and its components, together with the spinal sympathetic…