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Malleus

Malleus

Origin: L, hammer. See mall a beetle.

1. (Science: anatomy) 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.

2. (Science: zoology) One of the hard lateral pieces of the mastax of rotifera. See Mastax.

3. (Science: zoology) a genus of bivalve shells; the hammer shell. The ossicle attached to the eardrum.The outermost of the three ear ossicles.


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Do snakes have ears?

The primary jaw join of lower tetrapods has migrated into middle ear of mammals and became two of three bones (malleus, incus). The third bone is columella (stapes) which is analog (at least the part of it) to the columella of reptiles. Snakes sense vibrations through this bone. ...

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by Beetle
Mon Sep 12, 2005 9:51 pm
 
Forum: Zoology Discussion
Topic: Do snakes have ears?
Replies: 13
Views: 9777


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