| HC | 1) Head Circumferrence; µÎÀ§ 2) źȼö¼Ò 3) Head Compression... |
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| AHN | Army Head Nurse; assistant head nurse |
| HC | hair cell; hairy cell; handicapped; head circumference; head compression; health care; healthy contr... |
| HF | Hageman factor; haplotype frequency; hard filled [capsule]; hay fever; head of fetus; head forward; ... |
| HN | head and neck; head nurse; hemagglutinin neuraminidase; hematemesis neonatorum; hemorrhage of newbor... |
| H-H | head-to head |
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| AAO-HNS | American Academy of Otolaryngology Head and Neck Surgery |
| ANFH | Avascular necrosis of the femoral head |
| CHI | Closed head injury |
| CHT | Closed head trauma |
| head | 1. To be at the head of; to put one's self at the head of; to lead; to direct; to act as leader to; as, to head an army, an expedition, or a riot. 2. To form a head to; to fit or furnish with a head; as, to head a nail. 3. To behead; to decapitate. 4. To cut off the top of; to lop off; as, to head trees. 5. To go in front of; to get in the front of, so as to hinder or stop; to oppose; hence, to check or restrain; as, to head a drove of cattle; to head a person; the wind heads a ship. 6. To set on the head; as, to head a cask. To head off, to intercept; to get before; as, an officer heads off a thief who is escaping. To head up, to close, as a cask or barrel, by fitting a head to. Origin: Headed; Heading. 1. The anterior or superior part of an animal, containing the brain, or chief ganglia of the nervous system, the mouth, and in the higher animals, the chief sensory organs; poll; cephalon. 2. The uppermost, foremost, or most important part of an inanimate object; such a part as may be considered to resemble the head of an animal; often, also, the larger, thicker, or heavier part or extremity, in distinction from the smaller or thinner part, or from the point or edge; as, the head of a cane, a nail, a spear, an ax, a mast, a sail, a ship; that which covers and closes the top or the end of a hollow vessel; as, the head of a cask or a steam boiler. 3. The place where the head should go; as, the head of a bed, of a grave, etc.; the head of a carriage, that is, the hood which covers the head. 4. The most prominent or important member of any organised body; the chief; the leader; as, the head of a college, a school, a church, a state, and the like. "Their princes and heads." "The heads of the chief sects of philosophy." (Tillotson) "Your head I him appoint." (Milton) 5. The place or honor, or of command; the most important or foremost position; the front; as, the head of the table; the head of a column of soldiers. "An army of fourscore thousand troops, with the duke Marlborough at the head of them." (Addison) 6. Each one among many; an individual; often used in a plural sense; as, a thousand head of cattle. "It there be six millions of people, there are about four acres for every head." (Graunt) 7. The seat of the intellect; the brain; the understanding; the mental faculties; as, a good head, that is, a good mind; it never entered his head, it did not occur to him; of his own head, of his own thought or will. "Men who had lost both head and heart." (Macaulay) 8. The source, fountain, spring, or beginning, as of a stream or river; as, the head of the Nile; hence, the altitude of the source, or the height of the surface, as of water, above a given place, as above an orifice at which it issues, and the pressure resulting from the height or from motion; sometimes also, the quantity in reserve; as, a mill or reservoir has a good head of water, or ten feet head; also, that part of a gulf or bay most remote from the outlet or the sea. 9. A headland; a promontory; as, Gay Head. 10. A separate part, or topic, of a discourse; a theme to be expanded; a subdivision; as, the heads of a sermon. 11. Culminating point or crisis; hence, strength; force; height. "Ere foul sin, gathering head, shall break into corruption." (Shak) "The indisposition which has long hung upon me, is at last grown to such a head, that it must quickly make an end of me or of itself." (Addison) 12. Power; armed force. "My lord, my lord, the French have gathered head." (Shak) 13. A headdress; a covering of the head; as, a laced head; a head of hair. 14. An ear of wheat, barley, or of one of the other small cereals. 15. <botany> A dense cluster of flowers, as in clover, daisies, thistles; a capitulum. A dense, compact mass of leaves, as in a cabbage or a lettuce plant. 16. The antlers of a deer. 17. A rounded mass of foam which rises on a pot of beer or other effervescing liquor. 18. Tiles laid at the eaves of a house. Head is often used adjectively or in self-explaining combinations; as, head gear or headgear, head rest. Cf. Head, A buck of the first head, a male fallow deer in its fifth year, when it attains its complete set of antlers. By the head. <anatomy> The most anterior of the three pairs of embryonic renal organs developed in most vertebrates the pronephors. Head money, a capitation tax; a poll tax. Head pence, a poll tax. Head sea, a sea that meets the head of a vessel or rolls against her course. Head and shoulders. By force; violently; as, to drag one, head and shoulders. "They bring in every figure of speech, head and shoulders." . By the height of the head and shoulders; hence, by a great degree or space; by far; much; as, he is head and shoulders above them. Head or tail, this side or that side; this thing or that; a phrase used in throwing a coin to decide a choice, guestion, or stake, head being the side of the coin bearing the effigy or principal figure (or, in case there is no head or face on either side, that side which has the date on it), and tail the other side. Neither head nor tail, neither beginning nor end; neither this thing nor that; nothing distinct or definite; a phrase used in speaking of what is indefinite or confused; as, they made neither head nor tail of the matter. Head wind, a wind that blows in a direction opposite the vessel's course. Out one's own head, according to one's own idea; without advice or cooperation of another. Over the head of, beyond the comprehension of. To be out of one's head, to be temporarily insane. To come or draw to a head. See Come, Draw. To give (one) the head, or To give head, to let go, or to give up, control; to free from restraint; to give license. "He gave his able horse the head." . "He has so long given his unruly passions their head." . To his head, before his face. "An uncivil answer from a son to a father, from an obliged person to a benefactor, is a greater indecency than if an enemy should storm his house or revile him to his head." . To lay heads together, to consult; to conspire. To lose one's head, to lose presence of mind. To make head, or To make head against, to resist with success; to advance. To show one's head, to appear. To turn head, to turn the face or front. "The ravishers turn head, the fight renews." . Origin: OE. Hed, heved, heaved, AS. Heafod; akin to D. Hoofd, OHG. Houbit, G. Haupt, Icel. Hofu, Sw. Hufvud, Dan. Hoved, Goth. Haubip. The word does not corresponds regularly to L. Caput head (cf. E. Chief, Cadet, Capital), and its origin is unknown. Source: Websters Dictionary (01 Mar 1998) |
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| head and neck neoplasms | Neoplasms of the head and neck. (12 Dec 1998) |
| head botflies | Flesh flies of the dipterous families Oestridae and Cuterebridae; robust, hairy, black, yellow, or gray flies that, while flying, deposit newly hatched larvae or, in some cases, eggs, on or near the nostrils of sheep, goats, deer, horses, camels, and, rarely, man. (05 Mar 2000) |
| head cap | A collapsed membranous vesicle that covers the anterior part of the nucleus of the spermatozoon, derived from the acrosomal granule; the carbohydrate-rich substance of the cap is associated with hydrolytic enzymes that aid in sperm penetration of the zona pellucida of the ovum. Synonym: head cap. (05 Mar 2000) |
| head cavity | The cephalic region in the embryos of vertebrates containing the modified somites that give rise to the extrinsic eye muscles. (05 Mar 2000) |
| head fold | A ventral folding of the cephalic extremity in the embryonic disk, so that the brain lies rostrad to the mouth and pericardium. (05 Mar 2000) |
| head injuries | General or unspecified injuries involving the head. (12 Dec 1998) |
| head injuries, closed | Organic or functional damage resulting from trauma to the head where continuity of the scalp and mucous membranes is maintained. When brain injury results from closed head injuries, the primary cause is mechanical stretching and shearing of nerve fibres. Also common are focal intracranial lesions including haematomas and contusions. (12 Dec 1998) |
| head injury | Refers to a group of head injuries ranging from minor to major. Examples include scalp contusion, scalp haematoma, concussion, brain contusion, skull fracture, epidural haematoma, intracerebral haemorrhage, subarachnoid haemorrhage and subdural haematoma. Features shared by all head injuries (serious and nonserious) include: dizziness, nausea, vomiting, giddiness, sleepiness and headache. More serious features include: protracted vomiting, lethargy, difficulty waking up, loss of consciousness, seizure, confusion, change in mentation or coma. (27 Sep 1997) |
| head kidney | 1. The definitive excretory organ of primitive fishes. Synonym: head kidney. 2. In the embryos of higher vertebrates, a vestigial structure consisting of a series of tortuous tubules emptying into the cloaca by way of the primary nephric duct; in the human embryo, the pronephros is a very rudimentary and temporary structure, followed by the mesonephros and still later by the metanephros. Synonym: forekidney, primordial kidney. Origin: pro-+ G. Nephros, kidney (05 Mar 2000) |
| head lice | Small parasitic insects that can cause a itching red rash to the skin of the waist, shoulders, armpits, neck and pubic area. Commonly spread from person-to-person via close contact. The eggs (nits) of head lice can be mistaken for dandruff, but they are adherent to the hair shafts. Symptoms include itching, eggs visible on hair shafts and lice on hair, scalp or clothing. Treatment requires the use of a special prescription insecticide (Kwell) shampoo and/or lotion. (27 Sep 1997) |
| head mirror | A circular concave mirror attached to a head band, used to project a beam of light into a cavity, such as the nose or larynx, for purposes of examination and permitting binocular vision. (05 Mar 2000) |
| head movements | Voluntary or involuntary motion of head that may be relative to or independent of body; includes animals and humans. (12 Dec 1998) |
| head nurse | A nurse administratively responsible for a designated hospital unit on a 24 hour basis. Synonym: charge nurse. (05 Mar 2000) |
| head of epididymis | The upper and larger extremity of the epididymis. Synonym: caput epididymidis, caput epididymis, globus major. (05 Mar 2000) |
| absorber head | Portion of a rebreathing anaesthesia circuit that contains carbon dioxide absorbent; often referred to as a canister. (05 Mar 2000) |
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| anterior ligament of head of fibula | A ligament uniting the anterior part of the head of the fibula to the tibia. Synonym: ligamentum capitis fibulae anterius. (05 Mar 2000) |
| anterior rectus muscle of head | <anatomy, muscle> Origin, transverse process and lateral mass of atlas; insertion, basilar process of occipital bone; action, turns and inclines head forward; nerve supply, ventral primary ramus of first and second cervical spinal nerve. Synonym: musculus rectus capitis anterior, anterior rectus muscle of head, musculus rectus capitis anticus minor. (05 Mar 2000) |
| apex of head of fibula | The pointed upper end of the fibular head to which is attached the arcuate popliteal ligament and part of the biceps femoris tendon. Synonym: apex capitis fibulae, styloid process of fibula. (05 Mar 2000) |
| articular pit of head of radius | The depression on the top (superior surface) of the head of the radius for articulation with the capitulum of the humerus. Synonym: fovea articularis capitis radii, articular pit of head of radius. (05 Mar 2000) |
| articular surface of head of fibula | The flat circular surface on the head of the fibula for articulation with the corresponding facet on the lateral condyle of the tibia. Synonym: facies articularis capitis fibulae. (05 Mar 2000) |
| articular surface of head of rib | An articular surface on the head of a rib that articulates with the body of a vertebra. Synonym: facies articularis capitis costae. (05 Mar 2000) |
| big-head | 1. In horses, usually denotes osteodystrophia fibrosa. 2. Gas gangrene infection of tissues of the head, caused by Clostridium novyi in sheep, usually young rams with head wounds. 3. Photosensitization in sheep. 4. An acute disease of young rams caused by the Clostridium novyi, C. Sordellii or, rarely, C. Chauvoei and characterised by a nongaseous, nonhemorrhagic, edematous swelling of the head and neck. (05 Mar 2000) |
| bulldog head | The broad head with high vault occurring in achondroplasia. (05 Mar 2000) |
| radial head | The name applied to a head of origin of a muscle arising from the radius. Nomina Anatomica no longer lists any muscles as having radial heads, although formerly a radial head was listed for the flexor digitorum superficialis muscle Synonym: caput radiale. (05 Mar 2000) |
| radial head subluxation | Subluxation of the radial head within the elbow joint is also referred to as nursemaid's elbow. This orthopaedic condition is seen commonly in toddlers who may be lifted up by outstretched arms. Instability of the radial head leads to subluxation. The child with nursemaid's usually has their arm in hanging in extension at their side and any attempted movement of the elbow joint is met with pain. (27 Sep 1997) |
| radiate ligament of head of rib | The radiate, stellate, or anterior costovertebral ligament connecting the head of each rib to the bodies of the two vertebrae with which it articulates. Synonym: ligamentum capitis costae radiatum, ligamentum radiatum, radiate ligament, stellate ligament. (05 Mar 2000) |
| regions of head | The topographical division of the cranium in relation to the bones of the cranial vault; the regions include frontal, parietal, occipital, and temporal. Synonym: regiones capitis. (05 Mar 2000) |
| medial head | The head of origin closest to the midline. Nomina Anatomica lists medial head of the following: 1) triceps brachii muscle (... Musculi tricipitis brachii ); 2) gastrocnemius muscle (... Musculi gastrocnemii ). Synonym: caput mediale. (05 Mar 2000) |
| Medusa head | Varicose veins radiating from the umbilicus, seen in the Cruveilhier-Baumgarten syndrome, dilated ciliary arteries girdling the corneoscleral limbus in rubeosis iridis. Synonym: Medusa head. Origin: Medusa, G. Myth. Char. (05 Mar 2000) |
Synonyms : Heads
Synonyms : Cancer of Head, Cancer of Neck, Cancer of the Head, Cancer of the Head and Neck, Cancer of the Neck, Head Neoplasms, Head, Neck Neoplasms, Neoplasms, Head, Neoplasms, Head and Neck, Neoplasms, Neck, UADT Neoplasms, Neoplasm, UADT, Neoplasms, UADT, UADT Neoplasm
Synonyms : Closed Head Injuries, Head Injury, Blunt, Head Injury, Nonpenetrating, Injuries, Closed Head, Blunt Head Injuries, Blunt Head Injury, Closed Head Injury, Closed Head Trauma, Closed Head Traumas, Head Injuries, Blunt, Head Injury, Closed, Head Traumas, Closed
Synonyms : Head Injuries, Penetrating, Missile, Head Injury, Penetrating, Head Trauma, Penetrating, Penetrating Missile Injuries, Head, Brain Injury, Penetrating, Cranial Traumas, Penetrating, Craniocerebral Traumas, Penetrating, Head Traumas, Penetrating
Synonyms : Head Movement, Movement, Head, Movements, Head
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| head cold |
a common cold affecting the nasal passages and resulting in congestion and sneezing and headache
Ãâó: wordnet.princeton.edu/perl/webwn
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| head |
the upper part of the human body or the front part of the body in animals; contains the face and brains; "he stuck his head out the window" a single domestic animal; "200 head of cattle" mind: that which is responsible for one's thoughts and feelings; the seat of the faculty of reason; "his mind wandered"; "I couldn't get his words out of my head" a person who is in charge; "the head of the whole operation" the front of a military formation or procession; "the head of the column advanced boldly"; "they were at the head of the attack" the pressure exerted by a fluid; "a head of steam" fountainhead: the source of water from which a stream arises; "they tracked him back toward the head of the stream" (grammar) the word in a grammatical constituent that plays the same grammatical role as the whole constituent the tip of an abscess (where the pus accumulates) the length or height based on the size of a human or animal head; "he is two heads taller than his little sister"; "his horse won by a head" capitulum: a dense clusters of flowers or foliage; "a head of cauliflower"; "a head of lettuce" principal: the educator who has executive authority for a school; "she sent unruly pupils to see the principal" an individual person; "tickets are $5 per head" a user of (usually soft) drugs; "the office was full of secret heads" promontory: a natural elevation (especially a rocky one that juts out into the sea) a rounded compact mass; "the head of a comet" the foam or froth that accumulates at the top when you pour an effervescent liquid into a container; "the beer had a large head of foam" forefront: the part in the front or nearest the viewer; "he was in the forefront"; "he was at the head of the column" pass: a difficult juncture; "a pretty pass"; "matters came to a head yesterday" headway: forward movement; "the ship made little headway against the gale" point: a V-shaped mark at one end of an arrow pointer; "the point of the arrow was due north" question: the subject matter at issue; "the question of disease merits serious discussion"; "under the head of minor Roman poets" heading: a line of text serving to indicate what the passage below it is about; "the heading seemed to have little to do with the text" to go or travel towards; "where is she heading"; "We were headed for the mountains" the rounded end of a bone that bits into a rounded cavity in another bone to form a joint; "the head of the humerus" that part of a skeletal muscle that is away from the bone that it moves be in charge of; "Who is heading this project?" lead: travel in front of; go in advance of others; "The procession was headed by John" read/write head: (computer science) a tiny electromagnetic coil and metal pole used to write and read magnetic patterns on a disk (usually plural) the obverse side of a coin that usually bears the representation of a person's head; "call heads or tails!" be the first or leading member of (a group) and excel; "This student heads the class" the striking part of a tool; "the head of the hammer" steer: direct the course; determine the direction of travelling take its rise; "These rivers head from a mountain range in the Himalayas" (nautical) a toilet on board a boat or ship be in the front of or on top of; "The list was headed by the name of the president" a projection out from one end; "the head of the nail", "a pinhead is the head of a pin" drumhead: a membrane that is stretched taut over a drum form a head or come or grow to a head; "The wheat headed early this year" oral sex: oral stimulation of the genitals; "they say he gives good head" remove the head of; "head the fish"
Ãâó: wordnet.princeton.edu/perl/webwn
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| head louse |
infests the head and body of humans
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| head nurse |
matron: a woman in charge of nursing in a medical institution
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| headache |
concern: something or someone that causes anxiety; a source of unhappiness; "New York traffic is a constant concern"; "it's a major worry" pain in the head caused by dilation of cerebral arteries or muscle contractions or a reaction to drugs
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| Head | oral-genital stimulation |
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| Head | a single domestic animal |
| Head | a membrane that is stretched taut over a drum |
| Head | a projection out from one end |
| Head | a toilet on board a boat or ship |
| Head | the striking part of a tool |
| Head | (usually plural) an obverse side of a coin that bears the representation of a person's head |
| Head | (computer science) a tiny electromagnetic coil and metal pole used to write and read magnetic patterns on a disk |
| Head | that part of a skeletal muscle that is away from the bone that it moves |
| Head | the upper part of the human body or the front part of the body in animals |
| Head | the rounded end of a bone that bits into a rounded cavity in another bone to form a joint |
| Head | that which is responsible for one's thoughts and feelings |
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