Mesencephalic Trigeminal Nucleus in Sharks
作者:
Malcolm F. MacDonnell,
期刊:
Brain, Behavior and Evolution
(Karger Available online 1980)
卷期:
Volume 17,
issue 2
页码: 152-163
ISSN:0006-8977
年代: 1980
DOI:10.1159/000121795
出版商: S. Karger AG
关键词: Sharks;Mesencephalic trigeminal nucleus;Morphology;Reduced silver
数据来源: Karger
摘要:
In 22 adult sharks representing eight species, the mesencephalic trigeminal nucleus (Mes V) was examined employing the Romanes reduced silver method. Morphological evidence is presented of extensive development of neurites and intranuclear communication among Mes V cells of sharks, as well as their apparent innervation by extranuclear neurons. Species differences and the possible significance of the morphology of the Mes V in sharks to certain aspects of their behavior are discussed. A brief comparison of the Mes V of elasmobranchs and those of reptiles and mammals is included.
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