In anatomy, a meatus is a natural body opening or canal (Latin, 4th declension pl. meatus, or meatuses - often incorrectly meati).

Examples include:

• 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 vulva in females
• the superior meatus, middle meatus and inferior meatus of the nose

[edit] See also

• Meatal stenosis

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