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Titolo:
DEVELOPMENT OF GLYCINERGIC CELLS AND PUNCTA IN NUCLEI OF THE SUPERIOROLIVARY COMPLEX OF THE POSTNATAL FERRET
Autore:
HENKEL CK; BRUNSOBECHTOLD JK;
Indirizzi:
WAKE FOREST UNIV,BOWMAN GRAY SCH MED,DEPT NEUROBIOL & ANAT,PROGRAM NEUROSCI,MED CTR BLVD WINSTON SALEM NC 27157
Titolo Testata:
Journal of comparative neurology
fascicolo: 3, volume: 354, anno: 1995,
pagine: 470 - 480
SICI:
0021-9967(1995)354:3<470:DOGCAP>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Soggetto:
STEM AUDITORY NUCLEI; BRAIN-STEM; COCHLEAR NUCLEUS; TRAPEZOID BODY; DESCENDING PROJECTIONS; SYNAPTIC ORGANIZATION; DENDRITIC MORPHOLOGY; GABAERGIC NEURONS; CAT; GERBIL;
Keywords:
MEDIAL NUCLEUS OF THE TRAPEZOID BODY; GLYCINE; IMMUNOHISTOCHEMISTRY; NEUROTRANSMITTER-SPECIFIC UPTAKE; LATERAL SUPERIOR OLIVARY NUCLEUS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
52
Recensione:
Indirizzi per estratti:
Citazione:
C.K. Henkel e J.K. Brunsobechtold, "DEVELOPMENT OF GLYCINERGIC CELLS AND PUNCTA IN NUCLEI OF THE SUPERIOROLIVARY COMPLEX OF THE POSTNATAL FERRET", Journal of comparative neurology, 354(3), 1995, pp. 470-480

Abstract

The distribution of glycine-immunopositive cells and axonal endings was studied in the adult and early postnatal ferret superior olive. As in other species, the most prominent glycine-immunopositive cell groupin the adult ferret superior olive was the medial nucleus of the trapezoid body. Other darkly immunostained cells were present, although more scattered, in most periolivary regions, including the lateral and ventral trapezoid body nuclei. In the lateral superior olivary nuclei, glycine-immunopositive cells were intermingled with immunonegative cells. A comparable population of cells in the ipsilateral lateral superior olivary nucleus was retrogradely labeled in cases with unilateral injections of tritiated glycine in the inferior colliculus. Glycine-immunopositive puncta were widely distributed in the neuropil in most periolivary regions, including dense accumulations in the dorsomedial periolivary region and ventral and lateral nuclei of the trapezoid body. In the lateral and medial superior olivary nuclei, immunopositive puncta were distributed around the principal cells in characteristic perisomatic halos. In postnatal ferrets, immunopositive cell bodies were first observed by postnatal day 7 and were distributed in regions comparable to regions in the adult, with the exception that immunopositive cells in the lateral superior olivary nucleus did not appear until about postnatal day 28. There was diffuse staining in the neuropil in principal and periolivary nuclei by postnatal day 7. During the third postnatal week, the immunostaining in the neuropil began to take on a moregranular appearance and immunopositive puncta could be seen by postnatal day 35. In the lateral and medial superior olivary nuclei, the earliest distribution of immunostaining in the neuropil was nonuniform, being greater in the high-frequency, medial, and ventral regions, respectively. The density gradient in these areas was gradually eliminated over the next 2 postnatal weeks as immunostained processes and endingsappeared over greater portions Of the nuclei. (C) 1995 Wiley-Liss, Inc.

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Documento generato il 08/07/20 alle ore 06:57:26