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Titolo:
Neurogenesis in the superior olivary complex in the rat
Autore:
Kudo, M; Sakurai, H; Kurokawa, K; Yamada, H;
Indirizzi:
Shiga Univ Med Sci, Sch Med, Dept Anat, Otsu, Shiga 5202192, Japan Shiga Univ Med Sci Otsu Shiga Japan 5202192 t, Otsu, Shiga 5202192, Japan
Titolo Testata:
HEARING RESEARCH
fascicolo: 1-2, volume: 139, anno: 2000,
pagine: 144 - 152
SICI:
0378-5955(200001)139:1-2<144:NITSOC>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
INFERIOR COLLICULUS; AUDITORY PATHWAY; COCHLEAR NUCLEUS; GUINEA-PIG; NEURONS; PROJECTIONS;
Keywords:
auditory pathway; superior olive; inferior colliculus; fluoro-gold; bromodeoxyuridine; development; rat; thymidine analogue;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
25
Recensione:
Indirizzi per estratti:
Indirizzo: Kudo, M Shiga Univ Med Sci, Sch Med, Dept Anat, Otsu, Shiga 5202192, JapanShiga Univ Med Sci Otsu Shiga Japan 5202192 Shiga 5202192, Japan
Citazione:
M. Kudo et al., "Neurogenesis in the superior olivary complex in the rat", HEARING RES, 139(1-2), 2000, pp. 144-152

Abstract

In a previous paper we provided evidence that crossed projection neurons are generated earlier than uncrossed projection neurons in the lateral superior olive. The aim of the present study was to determine if other major nuclei of the superior olivary complex (SOC), the medial superior olivary (MSO), the superior paraolivary (SPN) and the medial trapezoid (MTB) nuclei, are distinguished by their neuronal constitutions of birthdates. Pregnant rats were injected intraperitoneally with 5-bromodeoxyuridine (BrdU), the thymidine analogue, to label the neurons on one of the embryonic (E) days E11-E16. When the progeny rats reached adulthood, the brains were processed for BrdU immunohistochemistry. The MSO was mostly composed of neurons generatedon E12 (95%,). The remaining neurons in the MSO completed their neurogenesis by E13. The SPN neurons were generated from E12, to E14 with a peak on E13 (80%,). Regardless of the morphological heterogeneity, the SPN consistedof a single population of neurons in terms of neurogenesis. The MTB neurons were generated from E13 to E16 with a pe ak on E14(73%). In contrast to the previous assumption, no topographical relationship existed between neurogenesis and tonotopicity within each nucleus of the SOC. (C) 2000 Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/03/20 alle ore 15:27:38