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Proprioceptive afferents in facial nerves of some insectivores

✍ Scribed by Kubota, Kinziro ;Masegi, Toshiaki

Publisher
John Wiley and Sons
Year
1972
Tongue
English
Weight
825 KB
Volume
173
Category
Article
ISSN
0003-276X

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✦ Synopsis

Fiber-caliber analysis of the facial nerve was made in the Japanese lesser shrew-mole and the Japanese shrew-mole possessing muscle spindles in the snout muscles and in the shinto shrew with no spindles. Using an enlarged photographic scale ( x 250) prepared from the object-micrometer (1/100 mm), the measurement of the fiber-caliber was made on the enlarged photograph ( X 1250) of the cross paraffin section treated with a modified myelin-sheath staining procedure by Pettersen et al. ('70). The facial nerves of the shrew-moles contained fibres of 1 to 10 p in diameter, while the facial nerve of the shrew consisted of fibers of 1 to 6 p . The spectra of the former have a slight bimodality

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