Publication: Acetylcholinesterase-positive and paraformaldehyde-induced-fluorescence-positive
innervation in the upper eyelid of the sheep (Ovis aries)
Authors
Aisa, J. ; Lahoz, M. ; Serrano, P. ; Perez-Castejon, M.C. ; Junquera, C. ; MartÃnez Ciriano, M.C. ; Pes, N. ; Vera Gil, A.
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Publisher
Murcia : F. Hernández
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DOI
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info:eu-repo/semantics/article
Description
Abstract
This is the first study which describes the
innervation of some eyelid structures, such as the glands
of Moll and the glands of Zeiss. It is also the first to
investigate the innervation pattern of the eyelid as a
whole. We have studied the acetylcholinesterase-positive
and paraformaldehyde-induced-fluorescence-positive
(FIF+) innervation pattern of the different structures that
constitute the upper eyelid of the sheep. There is
widespread acetylcholinesterase-positive innervation in
the epithelium, but not such an abundant FIF+
innervation. Both types of innervation are represented in
the connective tissue by trunks or fibers that are
distributed towards the different structures immersed
within them. In the glands of Zeiss, cholinesterasepositive
innervation is much more widespread than FIF
innervation. On the contrary, the glands of Moll present
denser FIF+ innervation than acetylcholinesterasepositive
innervation. The Meibomian glands and the
lachrymal glands show a rich acetylcholinesterasepositive
and FIF+ innervation. Eyelid muscle
innervation is mainly acetylcholinesterase-positive. In
the conjunctive membrane there is no
acetylcholinesterase-positive innervation, and only
scarce FIF+ fibers can be demonstrated.
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Citation
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