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Titolo:
Organization of cerebellar and area "y" projections to the nucleus reticularis tegmenti pontis in macaque monkeys
Autore:
Stanton, GB;
Indirizzi:
Howard Univ, Coll Med, Dept Anat, Washington, DC 20059 USA Howard Univ Washington DC USA 20059 , Dept Anat, Washington, DC 20059 USA
Titolo Testata:
JOURNAL OF COMPARATIVE NEUROLOGY
fascicolo: 2, volume: 432, anno: 2001,
pagine: 169 - 183
SICI:
0021-9967(20010402)432:2<169:OOCAA">2.0.ZU;2-D
Fonte:
ISI
Lingua:
ENG
Soggetto:
FRONTAL EYE FIELD; ALERT SQUIRREL-MONKEY; HORSERADISH-PEROXIDASE; RHESUS-MONKEY; NEURONAL RESPONSES; MACACA-MULATTA; BRAIN-STEM; INTRACORTICAL MICROSTIMULATION; ANTEROGRADE DEGENERATION; TRANSNEURONAL TRANSPORT;
Keywords:
somatomotor; oculomotor; dentate nucleus; interpositus nucleus; fastigial nucleus;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
73
Recensione:
Indirizzi per estratti:
Indirizzo: Stanton, GB Howard Univ, Coll Med, Dept Anat, 520 W St NW, Washington, DC 20059 USA Howard Univ 520 W St NW Washington DC USA 20059 , DC 20059 USA
Citazione:
G.B. Stanton, "Organization of cerebellar and area "y" projections to the nucleus reticularis tegmenti pontis in macaque monkeys", J COMP NEUR, 432(2), 2001, pp. 169-183

Abstract

Axonal projections to the nucleus reticularis tegmenti pontis (RTP) were studied in 11 macaque monkeys by mapping axonal degeneration from lesions centered in the dentate and interpositus anterior (IA) nuclei and by mapping anterograde transport of tritiated amino acid precursors injected into the dentate nucleus. Projections from the dentate and IA nuclei overlap in central parts of the body of RTP, but the terminal field of dentate axons extends dorsomedial and rostral to the terminal field of IA axons, and I4 terminal fields extend more ventrolaterally. A caudal to rostral topography of projections from each nucleus onto dorsal to ventral parts of RTP was seen. Projections from rostral parts of both nuclei terminate in a sublemniscal part of the nucleus. The topography of dentate and IA projections onto central to ventrolateral RTP appears to match somatotopic maps of these cerebellar nuclei with the somatotopic map of projections to RTP from primary motor cortex. Projections from caudal and ventral parts of the dentate nucleus appear to overlap oculomotor inputs to rostral, dorsal, and medial RTP from the frontal and supplementary eye fields, the superior colliculus, and the oculomotor region of the caudal fastigial nucleus. Projections to the paramedian part of RTP from vestibular area "y" were also found in two cases thatcorrelated with projections to vertical oculomotor motoneurons. The maps of dentate and IA projections onto RTP correlate predictably with maps of dentate and IA projections to the ventrolateral thalamus and subnuclei of thered nucleus that were made from these same cases (Stanton [1980b] J. Comp. Neurol. 192:377-385). J. Comp. Neurol. 432: 169-183, 2001. (C) 2001 Wiley-Liss, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 21/09/20 alle ore 12:19:03