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Physiological properties of glial cells in the central nervous system of amphibia

Physiological properties of glial cells in the central nervous system of amphibia .. NEUROGLIA ments were also done on optic nerves of frogs whose glial cells do not seem to differ from those of the related Necturus. In the next paper (20) it will be shown that impulses in nerve fibers exert a depolarizing effect on their surrounding glial cells. METHODS Isolated optic nerves. The optic nerve of the mud puppy (Necturus macuZosus), lOO200 g. weight, is 80-150 + in diameter about 15 mm. long. This thin nerve runs through a layer of cartilage a narrow bony tunnel in its course to the brain (Fig. 1) it is difficult to avoid damage during removal of bone cartilage. The intracranial part of the nerve possesses a tight stocking-like sheath which can be pulled off without FIG. I. Diagrammatic representation of the Necturus head, seen from the front with the mouth wide open. In the area enclosed by a solid black line the bone of the hard palate of the upper jaw soft tissue behind the eye have been removed. The optic nerve runs from the eye through a layer of cartilage through a bony canal; it continues obliquely on the lower surface of the brain. After opening the dura the circulation http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Neurophysiology The American Physiological Society

Physiological properties of glial cells in the central nervous system of amphibia

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Publisher
The American Physiological Society
Copyright
Copyright © 1966 the American Physiological Society
ISSN
0022-3077
eISSN
1522-1598
Publisher site
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Abstract

.. NEUROGLIA ments were also done on optic nerves of frogs whose glial cells do not seem to differ from those of the related Necturus. In the next paper (20) it will be shown that impulses in nerve fibers exert a depolarizing effect on their surrounding glial cells. METHODS Isolated optic nerves. The optic nerve of the mud puppy (Necturus macuZosus), lOO200 g. weight, is 80-150 + in diameter about 15 mm. long. This thin nerve runs through a layer of cartilage a narrow bony tunnel in its course to the brain (Fig. 1) it is difficult to avoid damage during removal of bone cartilage. The intracranial part of the nerve possesses a tight stocking-like sheath which can be pulled off without FIG. I. Diagrammatic representation of the Necturus head, seen from the front with the mouth wide open. In the area enclosed by a solid black line the bone of the hard palate of the upper jaw soft tissue behind the eye have been removed. The optic nerve runs from the eye through a layer of cartilage through a bony canal; it continues obliquely on the lower surface of the brain. After opening the dura the circulation

Journal

Journal of Neurophysiology – The American Physiological Society

Published: Jul 1, 1966

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