open access

Vol 62, No 3 (2003)
Short Communications
Published online: 2003-06-09
Submitted: 2012-02-06
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Developmental changes of morphology in the basolateral complex of the rabbit amygdala

Hanna Jagalska-Majewska, Anna Łuczyńska, Sławomir Wójcik, Jerzy Dziewiątkowski, Renata Kurlapska, Janusz Moryś
Folia Morphol 2003;62(3):227-230.

open access

Vol 62, No 3 (2003)
Short Communications
Published online: 2003-06-09
Submitted: 2012-02-06

Abstract

The aim of the present study is to follow topographical and morphological changes in the development of the amygdaloid basolateral complex (BLC) in the rabbit. The material consists of 35 brains of New Zealand rabbits of both sexes, divided into 7 age groups (P2-P90). In cresyl violet preparations BLC is already well visible on P2 and is composed of the lateral (divided into dorsolateral and ventromedial divisions), basolateral and homogenous basomedial nuclei. On about the 7th postnatal day it is possible to divide the basomedial nucleus (BM) into dorsal (Bmd) and ventral (BMv) divisions. The topography and subdivisions set on P7 are maintained in further periods of life. The morphology of neurons (shape, dendrites, staining) changes significantly until P21 in all BLC nuclei. Our results indicate that BLC achieves morphological maturity relatively late, which is probably connected with a long creation of emotional memory and regulation of emotional behaviour.

Abstract

The aim of the present study is to follow topographical and morphological changes in the development of the amygdaloid basolateral complex (BLC) in the rabbit. The material consists of 35 brains of New Zealand rabbits of both sexes, divided into 7 age groups (P2-P90). In cresyl violet preparations BLC is already well visible on P2 and is composed of the lateral (divided into dorsolateral and ventromedial divisions), basolateral and homogenous basomedial nuclei. On about the 7th postnatal day it is possible to divide the basomedial nucleus (BM) into dorsal (Bmd) and ventral (BMv) divisions. The topography and subdivisions set on P7 are maintained in further periods of life. The morphology of neurons (shape, dendrites, staining) changes significantly until P21 in all BLC nuclei. Our results indicate that BLC achieves morphological maturity relatively late, which is probably connected with a long creation of emotional memory and regulation of emotional behaviour.
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Keywords

amygdala; basolateral complex; development; morphology; topography; rabbit

About this article
Title

Developmental changes of morphology in the basolateral complex of the rabbit amygdala

Journal

Folia Morphologica

Issue

Vol 62, No 3 (2003)

Pages

227-230

Published online

2003-06-09

Bibliographic record

Folia Morphol 2003;62(3):227-230.

Keywords

amygdala
basolateral complex
development
morphology
topography
rabbit

Authors

Hanna Jagalska-Majewska
Anna Łuczyńska
Sławomir Wójcik
Jerzy Dziewiątkowski
Renata Kurlapska
Janusz Moryś

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