malleus

The hammer-shaped bone that is the outermost of the three small bones in the mammalian middle ear.

In anatomy, the proximal element of Meckel’s cartilage, in any way distinguished from the rest of the mandibular arch.

In ichthyology, one of the Weberian ossicles which form a chain between the air-bladder and the auditory apparatus in the skull of plectospondylous and nematognathous fishes. It is homologous with the hemapophysis of the third one of the coalesced anterior vertebræ.

In rotifers, one of the paired calcareous structures within the pharynx.

[capitalized] In conchology, a genus of pearl-oysters of the family Avieulidæ, founded by Lamarck in 1799; the hammer-shells.

Same as war-hammer.

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.

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

A genus of bivalve shells; the hammer shell.

The small hammer-shaped bone of the middle ear.