Estudio morfométrico de las fibras nerviosas del nervio oculomotor del perro
Morphometric study of the nerve fibers of the oculomotor nerve in dog
Vivo Rodríguez, J.
Morales López, J.L.
Diz Plaza, A.M.
Martínez Galisteo, A.
Agüera Carmona, Eduardo
Miró Rodríguez, F.
Editor/esUniversidad Austral de Chile
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The intracranial portion of the right oculomotor nerves was extracted from six adult German Shepherd dogs. The nerves were studied using light and electron microscopy. Nerve area was calculated, and myelinated and unmyelinated fibers were analized to determine number, diameter and area. Also in the myelinated fibers the area and diameter of the correspondent axon, and thickness of the myeline sheath were measured. The mean number of fibers was 8543.50±1231.85 for myelinated and 1402.00±241.58 for unmyelinated. The mean fiber diameter was 10.23±0.68 μm for myelinated and 0.43±0.21 μm for unmyelinated. This study demonstrated that the oculomotor nerves in dogs have structural and ultrastructural characteristics that are similar to those from other species