umbo

umbo definition - medical

um·bo (ŭmˈbō)

noun pl. um·bos or um·bo·nes (ŭm-bōˈnēz)
A small anatomical projection on a surface, such as that on the inner surface of the tympanic membrane at the end of the manubrium of the malleus, corresponding to the most depressed point of the membrane.

Related Forms:

  • umˈbo·nal (ŭmˈbə-nəl, ŭm-bōˈnəl), um·bonˈic (ŭm-bŏnˈĭk) adjective

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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