hand

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hand,

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.

Hand

 

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.

hand

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

hand

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.

hand

1. 
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
3. 
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

HAND

(chat)
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.

Hands

(dreams)
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 classic literature ?
Jurgis was used to dirt--there was nothing could scare a man who had been with a railroad gang, where one could gather up the fleas off the floor of the sleeping room by the handful.
Because I and a handful of the faithful have blocked that game.
Presently, in the midst of the sword-flashes, I saw a handful of hair skip into the air as if it had lain loose on the victim's head and a breath of wind had puffed it suddenly away.
For some years Wilson had been privately at work on a whimsical almanac, for his amusement--a calendar, with a little dab of ostensible philosophy, usually in ironical form, appended to each date; and the judge thought that these quips and fancies of Wilson's were neatly turned and cute; so he carried a handful of them around one day, and read them to some of the chief citizens.
A favorite diversion was to make the house into a fort, gallantly held by a handful of American soldiers against a besieging force of the British army.
Its garden, too, glowed with flowers: hollyhocks had sprung up tall as trees, lilies had opened, tulips and roses were in bloom; the borders of the little beds were gay with pink thrift and crimson double daisies; the sweetbriars gave out, morning and evening, their scent of spice and apples; and these fragrant treasures were all useless for most of the inmates of Lowood, except to furnish now and then a handful of herbs and blossoms to put in a coffin.
Linton had put on her pillow, in the morning, a handful of golden crocuses; her eye, long stranger to any gleam of pleasure, caught them in waking, and shone delighted as she gathered them eagerly together.
She dropped on her knees at the grave; tore up from it passionately a handful of grass; and said something to herself, at the same moment, which, though I followed her instantly, I did not get near enough to hear.
said the wine-shop keeper, crossing the road, and obliterating the jest with a handful of mud, picked up for the purpose, and smeared over it.
He was obliged to sit close to it, and brood over it, before he could extract the least sensation of warmth from such a handful of fuel.
He looked it out from a handful of small change, folded it in some crumpled paper, and gave it to me.
Presently, as I stood, a handful of people came up from the bank of the river.