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Neurosci Lett. 1981 May 29;23(3):243-9.

Substance P immunoreactive sensory nerves supply the rat iris and cornea.

Abstract

The presence, distribution and origin of substance P immunoreactive axons in the rat iris and cornea were investigated in whole mount preparations. A dense network of substance P immunoreactive axons was found throughout the iris but not in the ciliary body. In the cornea, substance P immunoreactive axons were found in the substantia propria, in the subepithelial layer and in the corneal epithelium. Following electrocoagulation of the ophthalmic nerve, most of the substance P immunoreactive axons in the iris and cornea disappeared. No changes in the substance P immunoreactive axons occurred after removal of the superior cervical ganglion. It is concluded that the iris and the cornea are supplied by sensory nerves containing substance P immunoreactivity.

PMID:
6167911
DOI:
10.1016/0304-3940(81)90005-7
[Indexed for MEDLINE]

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