fossula fenestrae cochleae

fossula fenestrae cochleae
[TA] fossula of cochlear window: a depression on the medial wall of the tympanic cavity, at the bottom of which is the fenestra cochleae; called also f. of round window and niche of round window.

Medical dictionary. 2011.

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  • fossula of round window — f. fenestrae cochleae …   Medical dictionary

  • fossula — 1. [NA] A small fossa. 2. A minor fissure or slight depression on the surface of the cerebrum. SYN: fossette (1). [L. dim. of fossa, ditch] f. fenestrae cochleae [TA] SYN: fossa of round window. f. fenestrae vestibuli [TA] SYN: fossa of oval wi …   Medical dictionary

  • niche of round window — fossula fenestrae cochleae …   Medical dictionary

  • fossa — A depression usually more or less longitudinal in shape below the level of the surface of a part. [L. a trench or ditch] acetabular f. [TA] a depressed area in the floor of the acetabulum superior to the …   Medical dictionary

  • subiculum — 1. A support or prop. 2. [TA] The zone of transition between the parahippocampal gyrus and Ammon horn of the hippocampus. [L. dim. of subex, support] s. promontorii [TA] support of the promontory; a bony r …   Medical dictionary

  • sinus tympani — [TA] tympanic sinus: a deep fossa in the posterior part of the tympanic cavity; it is bounded superiorly by the eminentia pyramidalis and inferiorly by the subiculum promontorii, and it opens anteriorly into the fossula fenestrae cochleae …   Medical dictionary

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