Tympanic canaliculus

The tympanic canaliculus[1] (also tympanic canal,[2] inferior tympanic canaliculus,[3] temporal canaliculus,[4] or Jacobson canal[2]) is a minute canal[2] in the bony wedge[2]/ridge[3] that separates the carotid canal[2][3] and jugular foramen[2]/jugular fossa.[3] The proximal opening of the canal is situated upon the inferior surface of the petrous part of the temporal bone; its distal opening is situated upon the floor of the tympanic cavity.[2] The canal gives passage to the tympanic nerve i.e. tympanic branch of glossopharyngeal nerve (CN IX)),[2][3][4] and inferior tympanic artery.[4]

tympanic canaliculus
Left temporal bone. Inferior surface. (tympanic canaliculus labeled at left, fourth from the top.)
Details
Identifiers
LatinCanaliculus tympanicus[1]
TA98A02.1.06.049
TA2685
FMA56460
Anatomical terms of bone

References

  1. "Anatonomina". www.terminologia-anatomica.org. Retrieved 2023-07-25.
  2. "tympanic canaliculus". TheFreeDictionary.com. Retrieved 2023-07-25.
  3. Gray, Henry (1918). Gray's Anatomy (20th ed.). p. 1139.
  4. Standring, Susan (2020). Gray's Anatomy: The Anatomical Basis of Clinical Practice (42th ed.). New York. p. 586. ISBN 978-0-7020-7707-4. OCLC 1201341621.{{cite book}}: CS1 maint: location missing publisher (link)


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