Abstract：
:The organization of the wing component of the dorsal column-medial lemniscal pathway, and somatosensory projections from the thalamus to the Wulst, are described for an oscine member of the major group of birds, the Passeriformes. Wing primary afferents terminate throughout the cervical spinal cord, but between the brachial enlargement and the spino-medullary junction, they are confined to medial lamina V. Within the medulla, terminations extend rostrally and laterally to occupy the cuneate (Cu) and external cuneate nuclei (CuE). Ascending projections from Cu and CuE form the contralateral medial lemniscus, which has extensive projections to the midbrain and to the thalamus. In the midbrain the projections surround the central auditory nucleus densely, and terminate more sparsely within it. In the thalamus, specific terminations were observed in nucleus uvaeformis and in the nucleus dorsalis intermedius ventralis anterior (DIVA). DIVA projects to the ipsilateral rostral Wulst where it terminates in the intercalated hyperstriatum accessorium, in a distinct, regular patchy fashion. The somatosensory projections to the telencephalon in green finch are similar to those in pigeon, but dissimilar to those in budgerigar.
journal_name
Brain Resjournal_title
Brain researchauthors
Wild JMdoi
10.1016/s0006-8993(97)00253-9subject
Has Abstractpub_date
1997-06-06 00:00:00pages
122-34issue
1eissn
0006-8993issn
1872-6240pii
S0006-8993(97)00253-9journal_volume
759pub_type
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