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Histochemical and biochemical studies of cholinesterases in the carotid labyrinth of amphibians
Author(s) -
Poullet M.,
Verdiere M.
Publication year - 1985
Publication title -
biology of the cell
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.543
H-Index - 85
eISSN - 1768-322X
pISSN - 0248-4900
DOI - 10.1111/j.1768-322x.1985.tb00374.x
Subject(s) - acetylcholinesterase , biology , efferent , efferent nerve , afferent , cholinergic , anatomy , cholinergic fibers , free nerve ending , carotid body , cholinesterase , enzyme , endocrinology , biochemistry , cholinergic neuron , stimulation
Acetylcholinesterase activity was detected in the carotid labyrinth of amphibians by both biochemical and histochemical methods. The histochemical tests showed enzyme activity in surfaces of afferent and efferent nerve terminals in contact with type I cells, but none within the type I cells. Acetylcholinesterase activity occurred on some, though not all, nerve fibers in the extra‐cellular spaces. These fibers might be parasympathetic cholinergic fibers innervating blood vessels.