- an opening or foramen, especially in a bone or bony structure, as the opening of the ear or nose.
Origin of meatus
Examples from the Web for meatus
Historical Examples of meatus
This is least objectionable in cases of stricture close to the meatus.A Manual of the Operations of Surgery
Here is a cochlea; a meatus; and, as it should seem, more than one tympanum.An Introduction to Entomology: Vol. II (of 4)
This is repeated with fresh pledgets until the meatus is cleansed.
Klliker states however that the blind end of the meatus becomes actually pushed in towards the tympanic cavity.
The tympanic membrane is derived from the tissue which separates the meatus auditorius externus from the tympanic cavity.
- anatomy a natural opening or channel, such as the canal leading from the outer ear to the eardrum
Word Origin for meatus
- A body opening or passage, especially the external opening of a canal.