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Anatomy Atlases: Atlas of Microscopic Anatomy: Section 1 - Cells Atlas of Microscopic Anatomy: Section 6 - Nervous Tissue

Plate 6.131 Ependyma: Spinal Cord

Ronald A. Bergman, Ph.D., Adel K. Afifi, M.D., Paul M. Heidger, Jr., Ph.D.
Peer Review Status: Externally Peer Reviewed

Spinal cord

Plate 6.131 Ependyma: Spinal Cord

A. Rhesus monkey, 10% formalin, H. & E., 612 x.
B. Bovine, Mü11er's fluid, Pal-Weigert and carmine stains, 162 x.
C. Cat, Mü11er's fluid, Pal-Weigert, 50 x.

The ependymal lining of the central canal of the spinal cord is shown in this plate. In A, note that the epenclymal cells are columnar in shape and are closely packed with their long axes perpendicular to the central canal. Their nuclei are elongated. Ependymal cells line the cavities of the spinal cord and brain (central canal and ventricles). Although the central canals seen (A and B) are patent, in adult humans and in some animals, the canal is usually obliterated (C). In B, note the anterior white commissure passing anterior (ventral) to the central canal. In C, in addition, note the posterior funiculus located posterior (dorsal) to the central canal.

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