| 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 |
| bevel gear | <mechanics> A kind of gear in which the two wheels working together lie in different planes, and have their teeth cut at right angles to the surfaces of two cones whose apices coincide with the point where the axes of the wheels would meet. Source: Websters Dictionary (01 Mar 1998) |
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| gear | 1. Clothing; garments; ornaments. "Array thyself in thy most gorgeous gear." (Spenser) 2. Goods; property; household stuff. "Homely gear and common ware." (Robynson (More's Utopia)) 3. Whatever is prepared for use or wear; manufactured stuff or material. "Clad in a vesture of unknown gear." (Spenser) 4. The harness of horses or cattle; trapping. 5. Warlike accouterments. 6. Manner; custom; behavior. 7. Business matters; affairs; concern. "Thus go they both together to their gear." (Spenser) 8. <mechanics> A toothed wheel, or cogwheel; as, a spur gear, or a bevel gear; also, toothed wheels, collectively. An apparatus for performing a special function; gearing; as, the feed gear of a lathe. Engagement of parts with each other; as, in gear; out of gear. 9. Anything worthless; stuff; nonsense; rubbish. "That servant of his that confessed and uttered this gear was an honest man." (Latimer) Bever gear. See Bevel gear. Core gear, a mortise gear, or its skeleton. See Mortise wheel, under Mortise. Expansion gear, to connect or disconnect (wheelwork or couplings, etc); to put in, or out of, working relation. Origin: OE. Gere, ger, AS. Gearwe clothing, adornment, armor, fr. Gearo, gearu, ready, yare; akin to OHG. Garawi, garwi ornament, dress. See Yare, and cf. Garb dress. Source: Websters Dictionary (01 Mar 1998) |
| absorber head | Portion of a rebreathing anaesthesia circuit that contains carbon dioxide absorbent; often referred to as a canister. (05 Mar 2000) |
| 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) |
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