Abstract：
:Three to five microliters of 50% HRP in saline was injected along a central axis into one of the 6 extraocular muscles in each of 18 adult pigeons. The brain was fixed and serially sectioned 16-20 h postinjection and the HRP reacted with tetramethylbenzidine (TMB). HRP-labeled proprioceptive neurons were located in the ipsilateral nucleus descendens nervi trigemini (TTD) for all muscle injections. The labeled neurons were further subdivided into two groups based on size and shape. In each experiment the number of labeled proprioceptive cells relative to the number of labeled motoneurons ranged between 4.9 and 15.5%. There were no labeled cells in the trigeminal mesencephalic nucleus or contralateral TTD. The study suggests that at least partial afferent (proprioceptive) innervation of the extraocular muscles in the pigeon derived from neurons in the ipsilateral TTD.
journal_name
Brain Resjournal_title
Brain researchauthors
Eden AR,Correia MJ,Steinkuller PGdoi
10.1016/0006-8993(82)90554-6subject
Has Abstractpub_date
1982-04-08 00:00:00pages
15-21issue
1eissn
0006-8993issn
1872-6240pii
0006-8993(82)90554-6journal_volume
237pub_type
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