Incus

Encyclopedia : I : IN : INC : Incus

Left incus. A. From within. B. From the front. |- style="text-align: center;" class="hiddenStructure" | colspan="2" |
|- style="text-align: center; line-height: 1;" class="hiddenStructure" | colspan="2" |Auditory tube, laid open by a cut in its long axis. |- class="hiddenStructure" |Latin |colspan="2"| |- class="hiddenStructure" | |colspan="2"|[subject #231 ] |- class="hiddenStructure" |Origins |colspan="2"| |- class="hiddenStructure" |Insertions |colspan="2"| |- class="hiddenStructure" |Articulations |colspan="2"| |- class="hiddenStructure" |MeSH |colspan="2"|[A09.246.397.247.362] |- class="hiddenStructure" |Dorlands/Elsevier |colspan="2"|[/] |} ''This article refers to a bone in the mammalian ear. For the artist-owned record label specialising in the dissemination of free-improvised music set up by Derek Bailey and Evan Parker, see Incus (record label). For the band, see Incus (band).
The incus or anvil is the anvil-shaped small bone or ossicle in the middle ear. It connects the malleus to the stapes. It was first described by Alessandro Achillin of Bologna.
The incus only exists in mammals, and is derived from a reptilian upper jaw bone, the quadrate bone.

See also
Bone terminology
Terms for anatomical location
Bone: Incus

Sensory system - Auditory system - [http://encycl.opentopia.com/ edit]
Outer ear: Pinna > Ear canal Middle ear: Eardrum | Ossicles (Malleus, Incus & Stapes) | Stapedius | Tensor tympani | Eustachian tube
Inner ear: Cochlea (Scala vestibuli, Scala media & Scala tympani) | Oval window | Helicotrema | Round window | Basilar membrane | Reissner's membrane | Organ of Corti | Hair cells | Stereocilia
Brain: Cochlear nerve^VIII → Cochlear nuclei → Superior olivary nuclei → Inferior colliculi → Medial geniculate nuclei → Primary auditory cortex

From Wikipedia, the Free Encyclopedia. Original article here. Support Wikipedia by contributing or donating.
All text is available under the terms of the GNU Free Documentation License See Wikipedia Copyrights for details.