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File:NIE 1905 Cat - claw mechanism.jpg

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NIE_1905_Cat_-_claw_mechanism.jpg (717 × 526 pixels, file size: 87 KB, MIME type: image/jpeg)

Description
English: Felidae claw mechanism. Chart shows bone orientation when retracted and when deployed.
Date published 1905
Source The New International Encyclopædia, v. 4, 1905, p. 312.
Author no artist given; article is by Ernest Ingersoll
Permission
(Reusing this file)
Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:NIE_1905_Cat_-_claw_mechanism.jpg
English: Caption:

MECHANISM OF CAT'S CLAWS.

a. Toe at rest (claw sheathed); b, toe in action (claw thrown forward). The illustration shows the elastic ligament which passes from above the root of the claw downward and backward to the distal part of the second phalanx; also the long flexor tendon (which by being pulled backward draws down the claw) passing through the ligamentous loop attached to the under surface of the middle phalanx. The sesamoid bone beneath the distal end of the metacarpal is also shown. (After Mivart.)

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current19:12, 12 May 2013Thumbnail for version as of 19:12, 12 May 2013717 × 526 (87 KB)Bob Burkhardt{{Information |Description={{en|Felidae claw mechanism. Chart shows bone orientation when retracted and when deployed.}} |Source=''The New International Encyclopædia'', v. 4, 1905, p. 312. |Date=published 1905 |Author=no artist given; article is by E...

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