carpus

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carpus

1. the technical name for wrist
2. the eight small bones of the human wrist that form the joint between the arm and the hand
3. the corresponding joint in other tetrapod vertebrates
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Carpus

 

part of the upper (anterior) pentadactyl extremity of vertebrates, located between the forearm and the metacarpus.

In man, the carpus consists of two rows of small bones connected by intercarpal joints. The first row is made up of the scaphoid, lunate, triquetrous, and pisiform bones, which (except the pisiform) are linked to the radius (radiocarpal joint). The second row, consisting of the larger and smaller multangular, capitate, and unciform bones, is linked to the metacarpal bones (carpometacarpal joint). The carpus increases the mobility of the hand.

In animals, the carpus is the base of the front paw and is located between the antibrachium and the metacarpus.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

carpus

[′kär·pəs]
(anatomy)
The wrist in humans or the corresponding part in other vertebrates.
The eight bones of the human wrist.
(invertebrate zoology)
The fifth segment from the base of a generalized crustacean appendage.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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thous have an anatomical disposition similar to the domestic dog, but inter and intraspecific variations can be observed due to the formation of accessory muscles such as the accessory belly of the ulnar head of the flexor carpi ulnaris muscle; the vestigial presence of the anconeus epitrochlearis muscle; and the independent innervation of the musculocutaneous nerve to pronator teres muscle.
Unusual combination of muscular and arterial variations in the upper extremity: a case report of a variant palmaris longus and an additional tendinous portion of the flexor carpi ulnaris together with a persistent median artery.
Caption: Figure 1: Oblique view of the wrist joint revealing acute calcific tendinitis of the flexor carpi ulnaris with a 1.3 x 0.7 cm calcium deposit (arrow) anterior to the pisiform.
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A standard approach was taken to CMC arthroplasty starting with an incision on the radial border of the thenar eminence over the first metacarpal border approximately 2 cm distal to the CMC joint curving toward the flexor carpi radialis (FCR) tendon at the wrist (Figure 2).
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The radial artery had normal course in the forearm till the junction between upper two third and lower one third where it turned dorsally and reached the anatomical snuff box and ran superficial to the abductor pollicis longus, extensor carpi radialis brevis and extensor carpi radialis longus along the cephalic vein medially and superficial branch of radial nerve laterally (fig.2).
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On clinical examination, the contracture of flexor carpi ulnaris could be clearly felt in both the limbs but manual correction was not possible.