Ronald A. Bergman, Ph.D., Adel K. Afifi, M.D., Paul M. Heidger,
Jr., Ph.D.
Peer Review Status: Externally Peer Reviewed
Rhesus monkey, 10% formalin, Glees' method, 612 x.
Perikaryon: It is multipolar (i.e., possesses a single axon and several dendrites) and has a central prominent nucleus. Cytoplasm is rich in Nissl* bodies except at the axon hillock (lighter area of cell body from which axon arises). Nissl bodies can be seen in Plates 1 and 90.
Dendrites: Stout tapering processes similar in structure to the perikaryon.
Axon: This arises from the axon hillock. It is a slender process of uniform diameter and great length. The myelin sheath is not seen around the axon in this preparation because it is not preserved by the fixation method used.
*Nissl was a nineteenth-century German neurologist.
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