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Left malleus. A. From behind. B. From within.
Left malleus. A. From behind. B. From within.


* named from its fancied resemblance to a hammer
* consists of a head, neck, and three processes
** the manubrium, the anterior and lateral processes
===head (capitulum mallei)===
* large upper extremity of the bone
* oval in shape
* articulates posteriorly with the incus
* being free in the rest of its extent
* facet for articulation with the incus is constricted near the middle
** consists of an upper larger and lower smaller part
** form nearly a right angle with each other.
* opposite the constriction
** lower margin of the facet projects in the form of a process (cog-tooth or spur of the malleus)
===The neck (collum mallei)
* narrow contracted part
* just beneath the head
* below it is a prominence
** which the various processes are attached


{{Gray Anatomy}}
{{Gray Anatomy}}


[[Category:Hearing]]
[[Category:Hearing]]

Revision as of 02:38, 20 May 2011

Middle Ear - Malleus

Left malleus. A. From behind. B. From within.

  • named from its fancied resemblance to a hammer
  • consists of a head, neck, and three processes
    • the manubrium, the anterior and lateral processes

head (capitulum mallei)

  • large upper extremity of the bone
  • oval in shape
  • articulates posteriorly with the incus
  • being free in the rest of its extent
  • facet for articulation with the incus is constricted near the middle
    • consists of an upper larger and lower smaller part
    • form nearly a right angle with each other.
  • opposite the constriction
    • lower margin of the facet projects in the form of a process (cog-tooth or spur of the malleus)

===The neck (collum mallei)

  • narrow contracted part
  • just beneath the head
  • below it is a prominence
    • which the various processes are attached



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Reference

Gray H. Anatomy of the human body. (1918) Philadelphia: Lea & Febiger.


Cite this page: Hill, M.A. (2024, June 26) Embryology Gray0916.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Gray0916.jpg

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current02:33, 20 May 2011Thumbnail for version as of 02:33, 20 May 2011600 × 367 (28 KB)S8600021 (talk | contribs)==Middle Ear - Malleus== Left malleus. A. From behind. B. From within. {{Gray Anatomy}} Category:Hearing