Definitions for malleusˈmæl i əs; ˈmæl iˌaɪ

This page provides all possible meanings and translations of the word malleus

Random House Webster's College Dictionary

mal•le•usˈmæl i əs; ˈmæl iˌaɪ(n.)(pl.)mal•le•i

  1. the outermost of the chain of three small bones in the middle ear of mammals.

    Category: Anatomy

    Ref: Also called hammer. 1 6

Origin of malleus:

1660–70; < L: hammer

Princeton's WordNet

  1. malleus, hammer(noun)

    the ossicle attached to the eardrum

Wiktionary

  1. malleus(Noun)

    The small hammer-shaped bone of the middle ear.

  2. malleus(Noun)

    The tripus (ossicle in cypriniform fishes).

  3. malleus(Noun)

    One of the paired calcareous structures within the mastax of rotifers.

  4. Origin: From malleus

Webster Dictionary

  1. Malleus(noun)

    the outermost of the three small auditory bones, ossicles; the hammer. It is attached to the tympanic membrane by a long process, the handle or manubrium. See Illust. of Far

  2. Malleus(noun)

    one of the hard lateral pieces of the mastax of Rotifera. See Mastax

  3. Malleus(noun)

    a genus of bivalve shells; the hammer shell

Freebase

  1. 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 and birds. Embryologically it is derived from the first pharyngeal arch along with the rest of the bones of mastication, such as the maxilla and mandible. Sound waves hit the ear drum and, together with the other bones, it tends to transmit the vibrations from the ear drum to the cochlea, and then to the brain, which enables hearing.

U.S. National Library of Medicine

  1. Malleus

    The largest of the auditory ossicles, and the one attached to the membrana tympani (TYMPANIC MEMBRANE). Its club-shaped head articulates with the INCUS.

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