Stereological analysis of neurons of extraocular motor nuclei
نویسندگان
چکیده
منابع مشابه
Do palisade endings in extraocular muscles arise from neurons in the motor nuclei?
PURPOSE The purpose of this study was to localize the cell bodies of palisade endings that are associated with the myotendinous junctions of the extraocular muscles. METHODS Rhesus monkeys received tract-tracer injections (tetramethylrhodamine dextran [TMR-DA] or choleratoxin subunit B [CTB]) into the oculomotor and trochlear nuclei, which contain the motoneurons of extraocular muscles. All e...
متن کاملThe extraocular motor nuclei: organization and functional neuroanatomy.
The organization of the motoneuron subgroups in the brainstem controlling each extraocular eye muscle is highly stable through the vertebrate species. The subgroups are topographically organized in the oculomotor nucleus (III) and are usually considered to form the final common pathway for eye muscle control. Eye muscles contain a unique type of slow non-twitch, fatigue-resistant muscle fiber, ...
متن کاملEvidence that the extraocular motor nuclei innervate monkey palisade endings
Palisade endings are found in the extraocular muscles (EOMs) of almost every mammalian species, including primates. These nerve specializations surrounding the muscle fiber insertion have been postulated to be the proprioceptors of the EOMs. However, it was recently demonstrated that palisade endings have a cholinergic nature, which reopened the question of whether palisade endings are motor or...
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ژورنال
عنوان ژورنال: Scripta Medica
سال: 2009
ISSN: 2490-3329,2303-7954
DOI: 10.5937/scrimed0901017s