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terminal part of the forelimb in primates. The human hand consists of the wrist, palm, four fingers, and thumb. In humans and other primates, the thumb is opposable, i.e., it can be moved into a position opposite to the other four digits. Opposable thumbs make possible precise movements such as grasping small objects. In vertebrates other than humans, the primary function of the hand is locomotion; the human hand, due to the evolutionary development of bipedalism, is freed for manipulative tasks. There are 27 bones in the human hand. The wrist, which joins the hand to the forearm, contains eight cubelike bones arranged in two rows of four bones each. The metacarpus, or palm, is composed of five long metacarpal bones. Fourteen phalangeal bones constitute the four fingers and thumb (three in each finger, two in the thumb). Ligaments interconnect the bones of the hand. The bones of the digits are anchored to muscles in the hand and to muscles in the arms and shoulders, through connections to tendons, permitting a wide range of movements. Among humans, the undersides of the fingers and palms have distinctive ridges, which improve grip and can be used as identification marks.



the terminal section of the upper extremity (arm) in man, capable of performing extremely delicate and differentiated movements.

The hand consists of the carpus, the metacarpus, and the digits. Of the eight bones of the carpus, which are arranged in two rows, three articulate with the bones of the forearm (the radiocarpal joint) and with those of the metacarpus, which make up the base of the hand. The basal phalanges of the fingers articulate with the metacarpal bones.

The fingers have great mobility. The first digit, or thumb, can be opposed to the remaining four digits. This is especially important for grasping and holding objects. Movement of the hand and fingers is made possible by muscles located both in the hand itself and in the forearm. The tendons of the hand muscles pass through the bone-fiber canals and are surrounded by sheaths that are longer in the first and fifth digits.

The muscles that move the hand and fingers are innervated by branches of the ulnar, radial, and median nerves. The hand receives its blood supply from the radial and ulnar arteries, which form deep and superficial arterial arches and plexuxes on the hand’s palmar surface. The deep and superficial venous networks pass into the antebrachial veins.


The terminal part of the upper extremity modified for grasping.
(control systems)
The quality or feel of a fabric.


1. The direction, left or right, of the swing of a door (when viewed from the side usually considered the outside) or associated doorframes or hardware. A left-hand door has hinges on the left and the door swings away; a left-hand reverse door swings toward the viewer. A right-hand door has hinges on the right and swings away. A right-hand reverse door swings toward the viewer.
2. Of a spiral stair, designates the direction of turn of the stair. Right-hand refers to a stair on which the user turns clockwise as he descends. Left-hand refers to a stair on which the user turns counter-clockwise ashe descends.


a. the prehensile part of the body at the end of the arm, consisting of a thumb, four fingers, and a palm
b. the bones of this part
2. the corresponding or similar part in animals
a. the cards dealt to one or all players in one round of a card game
b. a player holding such cards
c. one round of a card game
4. a member of a ship's crew
5. a unit of length measurement equalling four inches, used for measuring the height of horses, usually from the front hoof to the withers


Have A Nice Day. Often used sarcastically and in connection with HTH, as in:

> Where's the point of alt.stupidity?

Between the 't' and the 's'. HTH. HAND.


We express ourselves with our hands, and appropriate reading of body language is a valuable source of information. Likewise, in the dream state the hands may reveal information about emotions, intentions, and overt behaviors. For example, if in your dream you see clenched fists you may have much repressed anger. Sometimes extended hands suggest a need to develop close friendships. If the hands in your dreams are stroking you, you may be feeling sexy.
References in periodicals archive ?
The wealthy hand-to-mouth thus have consumption responses that, in many ways, are similar to those of the poor hand-to-mouth, yet they have demographic characteristics and portfolio compositions that resemble those of the non-hand-to-mouth.
If the dust and soil lead terms are forced out of the model, paint lead becomes the most significant predictor, which is consistent with the now well-known pathway of paint to settled house dust and bare soil, to children's hands, to ingestion through hand-to-mouth contact.
Geraint Davies, of the National Association of Schoolmasters Union of Women Teachers Cymru said, "Currently it is a hand-to-mouth existence for schools.
It was a hand-to-mouth existence, and school was for someone else's kids.
The Inhaler is the only nicotine replacement product designed to help control a smoker's cravings for cigarettes while providing a key behavioral component of smoking, the hand-to-mouth ritual.
Children are also at heightened risk for lead exposure because they engage in more hand-to-mouth activity and absorb a larger proportion of ingested lead across the intestinal epithelium than do adults.
But he has genuine concern for the man, too, and as Mitchell grows to suspect that Gould harbors a secret more dire than his hand-to-mouth existence, the writer's own deceptively stable life - loving photographer wife (Hope Davis), two bright little girls, orderly apartment - looks more and more like a cover-up for something, too.
Levels of pesticide metabolites in urine rose as the children passed 6 months, likely because their activity levels--especially hand-to-mouth behavior--increased as they grew older.
Allowing his dog to lick his face or open wounds is especially dangerous and so is hand-to-eye or hand-to-mouth contact.
Austel explained that polio is spread in a hand-to-mouth fashion.
Therefore, oral ingestion of dislodgeable arsenic via hand-to-mouth contact appears to he an important exposure pathway, and we agree with the authors when they recommend that children wash their hands after playing in CCA-treated playgrounds.
She's tough-talking, from revelations about their hand-to-mouth existence, to turning a blind eye to his many affairs, not to mention his habit of fathering children left, right and centre.