The hammer-shaped bone that is the outermost of the three small bones in the mammalian middle ear. Also called hammer.
[Latin, hammer.]
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The hammer-shaped bone that is the outermost of the three small bones in the mammalian middle ear. Also called hammer.
[Latin, hammer.]
1. the largest of the three ossicles of the ear; called also hammer.
2. glanders.
| Bone: Malleus | ||
|---|---|---|
| Left malleus. A. From behind. B. From within. | ||
| The right membrana tympani with the hammer and the chorda tympani, viewed from within, from behind, and from above. (Malleus visible at center.) | ||
| Bones and muscles in the tympanic cavity in the middle ear | ||
| Gray's | subject #231 1044 | |
| Precursor | 1st branchial arch[1] | |
| MeSH | Malleus | |
The malleus or hammer is a hammer-shaped small bone or ossicle of the middle ear which connects with the incus and is attached to the inner surface of the eardrum. The word is Latin for hammer.
It transmits the sound vibrations from the eardrum to the incus.
The malleus is unique to mammals, and evolved from a lower jaw bone in basal amniotes called the articular, which still forms part of the jaw joint in reptiles.[citation needed]
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Head and neck of a human embryo eighteen weeks old, with Meckel’s cartilage and hyoid bar exposed. |
The Anatomy WizMalleus
| Bones | |
|---|---|
| VERTEBRAL COLUMN | vertebrae (cervical C1 C2 C7 - 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 - THROAT: hyoid (greater cornu, lesser cornu, body) |
| UPPER EXTREMITY | SHOULDER
GIRDLE:clavicle - |
| LOWER EXTREMITY | PELVIS:pelvis (ilium, ischium, pubis) - LEG: femur - patella - fibula - tibia - FOOT: tarsals (calcaneus - talus - navicular - cuneiform - cuboid ) - metatarsals - phalanges (prox - int - dist) |
| MIDDLE EAR OSSICLES | malleus - incus - stapes |
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![]() | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved. Read more | |
![]() | Veterinary Dictionary. Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved. Read more | |
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