| 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) |
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| crest of head of rib | The ridge that separates the superior and inferior articular surfaces of the head of a rib. Synonym: crista capitis costae. (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) |
| head of rib | The rounded medial extremity of a rib which, except for ribs 1, 10, 11, and 12, articulates by two facets with the bodies of two contiguous vertebrae. Synonym: caput 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) |
| slipping rib | Subluxation of a rib cartilage, with costochondral separation. (05 Mar 2000) |
| slipping rib cartilage | Subluxation of rib cartilage, at the costo-chondral junction, causing pain and audible click. (05 Mar 2000) |
| neck of rib | The flattened portion of a rib between the head and the tuberosity. Synonym: collum costae. (05 Mar 2000) |
| elevator muscle of rib | musculus levator costae, elevator muscle of rib, musculi levatores costarum |
| tubercle of rib | The knob on the posterior surface of a rib, at the junction of its neck and shaft, which articulates with the transverse process of the vertebra, whch corresponds in number to the rib, forming a costotransverse joint. Synonym: tuberculum costae. (05 Mar 2000) |
| joint of head of rib | The synovial joint between a rib and bodies of two adjacent vertebrae; the joint cavity is divided by an intra-articular ligament which attaches to the intervertebral disk; the first, tenth, eleventh, and twelfth ribs articulate with only one vertebra. Synonym: articulatio capitis costae, capitular joint. (05 Mar 2000) |
| false rib | <anatomy> Five lower ribs on either side that do not articulate with the sternum directly. Synonym: costae spuriae, vertebrochondral ribs. (05 Mar 2000) |
| unilateral rib notching | <radiology> Aortic coarctation, proximal to left subclavian artery most likely to be right, anomalous right subclavian artery most likely to be left, subclavian artery stenosis / atresia, most likely to be IPSIlateral, Blalock-Taussig shunt, anastamosis of subclavian artery to pulmonary artery, for Tetralogy of Fallot, most likely to be IPSIlateral (12 Dec 1998) |
| lumbar rib | An occasional rib articulating with the transverse process of the first lumbar vertebra. (05 Mar 2000) |