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Medical Term:

prechiasmatic sulcus

Definition

the groove on the upper surface of the sphenoid bone running transversely between the optic canals bounded anteriorly by the sphenoidal limbus and posteriorly by the tuberculum sellae; forms in relationship to the optic chiasm.

Synonym(s): sulcus prechiasmaticusTA, chiasmatic groove, chiasmatic sulcus, optic groove

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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