Meatus

In anatomy, a meatus (/miːˈeɪtəs/ mee-AY-təs; pl.: meatus or meatuses) is a natural body opening or canal.

Meatus may refer to:

• the external acoustic meatus, the opening of the ear canal
• the internal auditory meatus, a canal in the temporal bone of the skull
• the urinary meatus, which is the opening of the urethra, situated on the glans penis in males and in the vulval vestibule in females
• one of three nasal meatuses: the superior meatus, middle meatus and inferior meatus; each are passages through the nasal cavity within the skull.

See also

Look up meatus in Wiktionary, the free dictionary.

• Meatal stenosis
• Fossa (anatomy)
• Foramen

References

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