Stereological study of postnatal development in the mouse utricular macula.

Kirkegaard, Mette; Nyengaard, Jens R

Kirkegaard, Mette; Nyengaard, Jens R.

Afiliación

Kirkegaard M; Department of Zoophysiology, Institute of Biological Sciences, University of Aarhus, Denmark. mette.kirkegaard@cfh.ki.se

J Comp Neurol ; 492(2): 132-44, 2005 Nov 14.

Article en En | MEDLINE | ID: mdl-16196029

RESUMEN

This study describes the morphometric changes taking place in the utricular macula of mice with ages in geometric progression from 1 to 512 days after birth. By using design-based stereological methods, the total volume and surface area of the sensory epithelium as well the total number of the hair cells and supporting cells were estimated. Finally, the numerical density, volume density, and mean volume of the individual cell types were determined. The major changes were found in the number of the individual cell types during the first couple of weeks, and a mature composition of cell types was not attained until 16 days after birth. There was no change in the total number of cells and no decline in the number of hair cells within the time period studied.

Asunto(s)

Máculas Acústicas/anatomía & histología; Máculas Acústicas/crecimiento & desarrollo; Morfogénesis; Factores de Edad; Animales; Animales Recién Nacidos; Epitelio/anatomía & histología; Epitelio/crecimiento & desarrollo; Femenino; Ratones; Embarazo

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Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Máculas Acústicas / Morfogénesis Límite: Animals / Pregnancy Idioma: En Revista: J Comp Neurol Año: 2005 Tipo del documento: Article País de afiliación: Dinamarca Pais de publicación: Estados Unidos

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