| HC | hair cell; hairy cell; handicapped; head circumference; head compression; health care; healthy contr... |
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| 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... |
| HIVD | Herniation(Herniated) of Inter-Vertebral Disc - Cervical HIVD &... |
| LRC | learning resource center; lower rib cage |
| third cuneiform bone | A bone of the distal row of the tarsus; it articulates with the intermediate cuneiform, cuboid, navicular, and second, third, and fourth metatarsal bones. Synonym: os cuneiforme laterale, third cuneiform bone, wedge bone. (05 Mar 2000) |
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| first cuneiform bone | The largest of the three cuneiform bones, the medial bone of the distal row of the tarsus, articulating with the intermediate cuneiform, navicular, and first and second metatarsal bones. Synonym: os cuneiforme mediale, first cuneiform bone, wedge bone. (05 Mar 2000) |
| lateral cuneiform bone | A bone of the distal row of the tarsus; it articulates with the intermediate cuneiform, cuboid, navicular, and second, third, and fourth metatarsal bones. Synonym: os cuneiforme laterale, third cuneiform bone, wedge bone. (05 Mar 2000) |
| articular surface of tubercle of rib | An oval facet on the inferomedial part of the tubercle of a rib for articulation with a facet on the transverse process of a vertebra. Synonym: facies articularis tuberculi costae. (05 Mar 2000) |
| bicipital rib | Fusion of first thoracic rib with cervical vertebra. (05 Mar 2000) |
| bifid rib | One in which the body bifurcates. (05 Mar 2000) |
| body of rib | The shaft of a rib; the portion which extends laterally, anteriorly, and then medially from the tubercle. Synonym: corpus costae. (05 Mar 2000) |
| cervical rib | A rib which arises from the seventh cervical vertebrae (above the normal first rib). Occurs in only about 0.5% of people. May cause nerve and artery problems. (12 Dec 1998) |
| cervical rib and band syndrome | <syndrome> Very chronic axon loss brachial plexopathy, caused by compromise of the lower trunk fibres by a congenital band extending from a rudimentary cervical rib to the first thoracic rib; rare disorder, found mostly in young to middle-aged women, that presents with unilateral hand wasting and weakness, particularly involving the lateral thenar eminence; sometimes accompanied by intermittent discomfort along the medial forearm and hand. Synonym: cervical rib and band syndrome, classic cervical rib syndrome. (05 Mar 2000) |
| cervical rib syndrome | <syndrome> Pain over the shoulder, often extending down the arm (cervicobrachial) or radiating up the back of the neck due to compression of the nerve and vessels between a cervical rib and the scalenus anticus muscle. (12 Dec 1998) |
| rib | 1. <anatomy> One of the curved bones attached to the vertebral column and supporting the lateral walls of the thorax. In man there are twelve ribs on each side, of which the upper seven are directly connected with the sternum by cartilages, and are called sternal, or true, ribs. The remaining five pairs are called asternal, or false, ribs, and of these each of the three upper pairs is attached to the cartilage of the rib above, while the two lower pairs are free at the ventral ends, and are called floating ribs. 2. That which resembles a rib in form or use. Specifically: A ridge, fin, or wing, as on a plate, cylinder, beam, etc, to strengthen or stiffen it. One of the rods on which the cover of an umbrella is extended. 3. <botany> The chief nerve, or one of the chief nerves, of a leaf. Any longitudinal ridge in a plant. Origin: AS. Rib, ribb; akin to D. Rib, G. Rippe, OHG. Rippa, rippi, Dan. Ribbe, Icel. Rif, Russ. Rebro. Source: Websters Dictionary (01 Mar 1998) |
| rib notching | A smooth defect in the lower border of one or more upper ribs caused by enlarged intercostal collateral vessels, most often a sign of coarctation of the aorta. (05 Mar 2000) |
| classic cervical rib syndrome | <syndrome> Very chronic axon loss brachial plexopathy, caused by compromise of the lower trunk fibres by a congenital band extending from a rudimentary cervical rib to the first thoracic rib; rare disorder, found mostly in young to middle-aged women, that presents with unilateral hand wasting and weakness, particularly involving the lateral thenar eminence; sometimes accompanied by intermittent discomfort along the medial forearm and hand. Synonym: cervical rib and band syndrome, classic cervical rib syndrome. (05 Mar 2000) |
| crest of neck of rib | The sharp upper margin of the neck of a rib. Synonym: crista colli costae. (05 Mar 2000) |
| short rib-polydactyly syndrome | <syndrome> A syndrome inherited as an autosomal recessive trait and incompatible with life. The main features are narrow thorax, short ribs, scapular and pelvic dysplasia, and polydactyly. (12 Dec 1998) |