See Also: sorbitan(dictionary)
Sorbitan(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
fossula(dictionary)
fossula(medicine)
fossula petrosa(medicine)
fossula rotunda(medicine)
petrosal fossula(medicine)
fossula fenestrae vestibuli(medicine)
fossula fenestrae cochleae(medicine)

fossula petrosa (medicine) and sorbitan (iou)


fossula petrosa (medicine)


fossula petrosa -->
petrosal fossula


A small and often only faintly marked depression on the inferior surface of the petrous portion of the temporal bone, between the jugular fossa and the opening of the carotid canal; here opens the canaliculus tympanicus transmitting the tympanic nerve.

Synonym: fossula petrosa, petrosal fossa, receptaculum ganglii petrosi.


sorbitan (iou)



sorbitan noun. M20.
[from SORBIT(OL + AN(HYDRIDE.]
Chemistry. Any of several cyclic ethers which are monoanhydrides of sorbitol; spec. the 1,4-anhydride, C6H8O(OH)4, the fatty-acid esters of which are used as emulsifiers and surfactants.