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Columella

Columella

The central axis of a moss capsule, sometimes applied to the central axis of fruits and cones.


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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. The distal part ...

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by Beetle
Mon Sep 12, 2005 9:51 pm
 
Forum: Zoology Discussion
Topic: Do snakes have ears?
Replies: 13
Views: 28045


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