Category:Carnegie Embryo 643

From Embryology

References

Kunitomo K. The development and reduction of the tail and of the caudal end of the spinal cord (1920) Contrib. Embryol., Carnegie Inst. Wash. Publ. 272, 9: 163-198.

Embryo No. 643, 13.5 mm Crown-Rump Length

Kunitomo K. The development and reduction of the tail and of the caudal end of the spinal cord (1920) Contrib. Embryol., Carnegie Inst. Wash. Publ. 272, 9: 163-198.

This specimen is cut in serial sagittal sections, but is, however, rather poorly preserved. There are 37 primitive vertebrae, the last one being incomplete. Caudal to this is a long non-vertebrated tail portion. There are 33 spinal ganglia, the last 2 having slender nerves which, with the thirty-first, form the caudal nerves. These extend caudally along each side of the tail.

Pages in category ‘Carnegie Embryo 643’

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