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What is Glomus jugulare commonly arises from - and explain in detail?
Ans. is 'a' i.e., Hypotympanumo There are two types of glomus tumors:-Glomusjugulare# These glomus tumors arise from the dome of the internal jugular vein in the hypotympanum and jugular foramen. In jugular foramen they can invade IX to XII cranial nerves.Glomus tvmpanicum# They arise from the promontory of the middle ear along the course of the tympanic branch of the IXth cranial nerve.