Spinal ganglia of C3, C7, T5, T12, L2 and L5 spinal dorsal roots were studied. These ganglia vary in their size. Their greatest cross-sectional area was at C7 (2.12 cm2) in the cervical region and at Ls (1.39 cm2) in the lumbar region. The neurons were either spherical or oval in contour. The smallest neurons (mean size 68.50 × 55.64 μ m) were located in the T5 ganglion, while some of the largest neurons (mean size 79.17 × 63.34 μ m) were noticed in the C3 ganglion. As for their cross-sectional area, the ganglionic neurons at the L5 level were the largest (3,713.16 μ m2), while the least value (2,994.60 μ m2) was noted in T5 ganglionic cells. The amphicytes (satellite cells) were clearly defined. The neuronal cytoplasm revealed finely granular Nissl material. The neurons exhibit a pale-staining, centrally located vesicular nucleus with a prominent nucleolus. Few multipolar cells with eccentric nuclei were noted in the L5 ganglion.

Keywords:
Histomorphological, Spinal ganglia, Indian buffalo
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© 1978 S. Karger AG, Basel
1978
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