esfínter anal

La doble estructura de fibras musculares circulares del ano. El esfínter interno consiste en un engrosamiento circular de la musculatura lisa de la pared intestina; el esfínter externo es una lámina de musculatura estriada voluntaria que rodea el orificio anal.

Diccionario de términos sencillos BioDic

AntAnterioresencia de flores

Siguienteesfínter cardialSiguiente

© Centro de Investigación y Desarrollo de Recursos Científicos BioScripts.
BioDic – Diccionario de Biología – Un diccionario de términos científicos, sencillo.

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