Meatus
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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