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Related to Distal row: carpus, Carpal bones


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 It might be outdated or ideologically biased.



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.


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.
References in periodicals archive ?
The procedure was effective in carrying the vertical compression loads and distributing the upcoming loads to the distal row (Figure 7).
Disruption of capsular ligaments causes abnormal motion between the proximal and distal rows in the wrist and are termed "nondissociative carpal instability." Examples of such injuries are disruptions of the dorsal intercarpal (DIC) ligament, dorsal radiocarpal (DRC) ligament, and radioscaphocapitate (RSC) ligament.
Contraction of ECU has been found to increase the pronation tendency of the distal row of the carpus, which results in widening of the scapholunate interval and tension of the SLL.
Figure 2 shows a density of states projected onto both crystal momentum component k parallel to the edge and the distal row of edge atoms.
The scaphoid is the first bone of the proximal row, near the forearm on the lateral side; the trapezium begins the distal row of carpals at the base of the thumb; the trapezoid is situated at the base of the second metacarpal, next to the trapezium.
The distal row is flanked on either side by a guard hair; these are flanked in turn by one or two companion hairs; an asymmetric hair is irregularly found between aesthetasc and guard hairs on the lateral side; and a plumose hair can be found in the same position on the medial side.

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