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Incus

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Bone: Incus
Left incus. A. From within. B. From the front.
Auditory tube, laid open by a cut in its long axis.
Gray's subject #231 1044
MeSH A09.246.397.247.362
For the record label, see Incus Records.

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.

[edit] Additional images

[edit] See also

Sensory system - Auditory system - edit
Outer ear: Pinna | Ear canal 

Middle ear: Eardrum | Ossicles (MalleusIncus & Stapes) | Stapedius | Tensor tympani | Eustachian tube

Inner ear: Cochlea (Scala vestibuliScala 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


Human Bones

v  d  e</div>

VERTEBRAL COLUMN: vertebrae (cervical - atlas - axis | thoracic | lumbar) | sacrum | coccyx

THORAX: sternum | rib

cranial bones of SKULL: occipital | parietal | frontal | temporal | sphenoid | ethmoid

facial bones of SKULL nasal | maxilla | lacrimal | zygomatic | palatine | inferior nasal conchae | vomer | mandible | hyoid

UPPER EXTREMITY: clavicle | scapula | humerus | ulna | radius

carpals (scaphoid | lunate bone | triquetral | pisiform | trapezium | trapezoid | capitate | hamate) | metacarpals | phalanges (prox | int | dist)

LOWER EXTREMITY: pelvis (ilium, ischium, pubis) | femur | patella | fibula | tibia

tarsals (calcaneus | talus | navicular | cuneiform | cuboid ) | metatarsals | phalanges (prox | int | dist)

OSSICLES: malleus | incus | stapes

da:Ambolt (knogle)

de:Amboss (Anatomie) es:Yunque (hueso) fr:Enclume (os) id:Tulang landasan nl:Aambeeld (gehoorbeentje) pl:Kowadełko pt:Bigorna (osso) fi:Alasinluu

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