Meatus

In anatomy, a meatus is a natural body opening or canal (pl. meatus, or meatuses).

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Examples include:

• the auditory meatus, the opening of the ear canal
• the urinary meatus, which is the opening of the urethra, situated on the glans penis in males, and in the vulva in females
• the superior meatus, middle meatus and inferior meatus of the nose

See also

• mucous membrane
• meatal stenosis