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tela choroidea of third ventricle

 

Definition: a double fold of pia mater, enclosing subarachnoid trabeculae, between the fornix above and the epithelial roof of the third ventricle and the thalami below; at each lateral margin is a vascular fringe projecting into the choroidal fissure of the lateral ventricle; on its undersurface are several small vascular projections filling the folds of the ependymal roof of the third ventricle.

Synonym(s): tela choroidea ventriculi tertiiTA, tela choroidea superior, triangular lamella, velum interpositum, velum triangulare

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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