Dictionary

inferior petrosal sinus en · NOUN

Meanings

1. The larger of the two petrosal sinuses that is situated inferiorly in a sulcus on each side formed by the junction of the petrous portion of the temporal bone and the basilar portion of the occipital bone and that extends from the posterior inferior end of the cavernous sinus through the jugular foramen to join the internal jugular vein of the same side.

Forms

Coordinates

superior petrosal sinus

Relateds

sigmoid sinus

Translations (2)

cmn 岩下竇 /岩下窦 (sinus between the temporal and occipital bones) · cmn 下岩竇 /下岩窦 (sinus between the temporal and occipital bones)