Definition

A glomus tympanum tumor is a small, ball-like swelling of the glomus bodies in the middle-ear space. Glomus bodies contain nerve fibers that normally respond to changes in body temperature or blood pressure.

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Blood pressure

Review Date:7/29/2005
Reviewed By: William Matsui, M.D., Assistant Professor of Oncology, Division of Hematologic Malignancies, The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD. Review provided by VeriMed Healthcare Network.