In anatomy, a meatus ( ; : 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

  • Meatal stenosis
  • Fossa (anatomy)
  • Foramen

References

pt:Meato