الفهرس 
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Gross of anatomy of the avian brainOnly 14 pages are availabe for public view
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Abstract
The present work was undertaken to study myelina¬tion of tracts in brains of chick embyos from 13 to 21 days of incubation and in chicks till the 20th day after hatching. 2 - Specimins were fixed • dehydrated, cleared and mbeded in paraffin sections were cut at 10 and stained with loyez’s Hx. for demonestration of myelin sheaths • 3 Myelination of nerve fibres in the brain was preceeded by the aggregaaion of neuroglial cells • 4 - stainable myelin was first recognized in the brains of chick embryos at the age of embryonic day and was confind to the lower part of the mandbrulla • 5 - Myelination of the chick embryos brain extended caudo-cranially and from the central to peripherally situated fibres .