DEVELOPMENT OF INDUSIUM GRISEUM .1. QUANTITATIVE LIGHT MICROSCOPIC STUDY OF NEURONS AND GLIA

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  • 1 January 1978
    • journal article
    • research article
    • Vol. 125  (FEB) , 293-298
Abstract
A quantitative study of the development of the indusium griseum was conducted in mice. It was not possibl to separate the indusium griseum from the cingulate cortex until birth. There was no increase in neuronal numbers between birth-140 days postnatum, but glial cells probably increased in number from birth-1 days; 70% of the adult total of glial cells were present at birth. The length of the indusium griseum increased from 1114 .+-. 151 .mu.m at birth of 2444 .+-. 54 .mu.m at 25 days and 2544 .+-. 80 .mu.m at 140 days. Although the mean number of cells in equivalent sections decreased with age, the distribution of cells was similar at all ages, with the majority of cells lying in the rostral half of the indusium griseum.

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