科研之友
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摘要
Histol車gicamente la corteza del cerebelo humano adulto presenta tres capas constitutivas; la capa molecular, la hilera de los cuerpos de las c谷lulas de Purkinje y la capa granulosa interna. La sustancia cortical del cerebelo de los embriones de mam赤fero, as赤 como la de los j車venes, muestran una capa granular externa. Nuestro objetivo es documentar las diferencias morfol車gicas entre las capas de la corteza cerebelosa adulta y joven. Se realizaron estudios morfom谷tricos microsc車picos en 20 cerebelos de autopsias. Los casos se dividieron en dos grupos, adultos y ni os menores de 1 a o. Se realizaron cortes en parafina, coloreados con hematoxilina y eosina. La corteza del cerebelo adulto present車 diferencias morfol車gicas con la de los reci谷n nacidos. En el cerebelo adulto presenta tres capas constitutivas, mientras que en el reci谷n nacido presenta una cuarta capa, la granulosa externa. Histologically, the adult human cerebellar cortex has three constituent layers, the molecular layer, the row of bodies of Purkinje cells and internal granular layer. The cortex of the cerebellum of mammalian embryos, as well as youth, show external granular layer. Our goal is to document morphological differences between the layers of the cerebellar cortex adult and young. Microscopic morphometric studies were performed in 20 cerebellum autopsied. The cases were divided into two groups, adults and children under 1 year. Paraffin sections were performed, stained with hematoxylin and eosin. The cortex of adult cerebellum showed morphological differences of the newborn. In the adult cerebellum has three constituent layers, whereas in the newborn has a fourth layer, the external granular.
