Macula cribrosa

The macula cribrosa is part of the vestibule of the inner ear, located medially between it and the lateral most part of the internal acoustic meatus. It represents clusters of small foramina that permit the passage of vestibular nerve fibers from the internal acoustic foramen into the vestibule. 

It is divided into three parts 1,2

  1. macula cribrosa superior (aka Mike's dot): utriculoampullary nerve fibers
  2. macula cribrosa media: saccular nerve fibers
  3. macula cribrosa inferior: posterior ampullary nerve fibers
Anatomy: Head and neck
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Article information

rID: 70633
System: Head & Neck
Section: Anatomy
Synonyms or Alternate Spellings:
  • Macula cribrosa inferior
  • Macula cribrosa media
  • Macula cribrosa superior
  • Mike's dot

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