Latest Malleus Stories
The bones located in the middle of a person’s ear might be the smallest in the entire human body, but they could hold big clues regarding evolution and the development of modern-day men and women, according to research published in the latest edition of the Proceedings of the National Academy of Science (PNAS).
Fossil from China suggests mammalian ear of monotremes evolved separately from that of marsupials and placentals.
The incus (anvil) bone is an anvil-shaped small bone in the middle ear. It connects the malleus to the stapes. This bone was first described by Alessandro Achillini of Bologna. This bone also transmits sound vibrations from the malleus to the stapes. The incus bone is only found in mammals. The bone, which is derived from a reptilian upper jaw bone (the quadrate bone), embryologically derives from the first pharyngeal arch along with the rest of the bones of mastication, such as the...
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