fenestra ovalis

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Related to fenestra ovalis: fenestra vestibuli
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Noun1.fenestra ovalis - fenestra that has the base of the stapes attached to it
fenestra - a small opening covered with membrane (especially one in the bone between the middle and inner ear)
References in periodicals archive ?
(2012), in their studies on the development of the skulls of Leptodeira hotamboia and Ptychoglossus bicolor, respectively referring the development of columella auris in relation to fenestra ovalis of otic capsule and quadrate.
The new features have appeared at this stage, the fenestra ovalis (Figure 6, F.OV) attains more developing form.
At this stage, there is no association between the rim of the fenestra ovalis and the stapes, different to the state observed in early stages.