The adult macaque spinal cord central canal zone contains proliferative cells and closely resembles the human.

Alfaro-Cervello C, Cebrian-Silla A, Soriano-Navarro M, Garcia-Tarraga P, Matías-Guiu J, Gomez-Pinedo U, Molina Aguilar P, Alvarez-Buylla A, Luquin MR, Garcia-Verdugo JM. The adult macaque spinal cord central canal zone contains proliferative cells and closely resembles the human. J Comp Neurol. 2014 Jun 1; 522(8):1800-17.

2014
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Alfaro-Cervello C, Cebrian-Silla A, Soriano-Navarro M, Garcia-Tarraga P, Matías-Guiu J, Gomez-Pinedo U, Molina Aguilar P, Alvarez-Buylla A, Luquin MR, Garcia-Verdugo JM