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

Plate 6.102 Dorsal Root Ganglion: Cell Bodies

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


DORSAL ROOT GANGLION
Cell bodies

Plate 6.102 Dorsal Root Ganglion: Cell Bodies

Rhesus monkey, 10% formalin, H. & E., 612 x.

Satellite cells: Of neural crest origin and concentrically arranged around ganglion cells. Also called capsule cells. Rounded or elongated nuclei are darker than nuclei of adjacent ganglion cells.

Perikaryon: Dorsal root ganglion cell body of neural crest origin. Ovoid or spherical in shape. Finely scattered cytoplasmic ribonucleoprotein (Nissl substance). Prominent central nucleus with a well- defined nucleolus. Indentations of the surface margin are caused by satellite cells.

Obscure cell body: Smaller and darker variety of ganglion cells. The nature and functional significance of obscure cells are uncertain.

Axons: Processes of ganglion cells. See Plate 103.

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