| musculus pectoralis major | <anatomy, muscle> Origin, clavicular part (pars clavicularis), medial half of clavicle; sternocostal part (pars sternocostalis), anterior surface of manubrium and body of sternum and cartilages of first to sixth ribs; abdominal part (pars abdominalis), aponeurosis of external oblique; insertion, crest of greater tubercle of humerus; action, adducts and medially rotates arm; nerve supply, anterior thoracic. Synonym: musculus pectoralis major, greater pectoral muscle. (05 Mar 2000) |
|---|---|
| musculus pectoralis minor | <anatomy, muscle> Origin, third to fifth ribs at the costochondral articulations; insertion, tip of coracoid process of scapula; action, draws down scapula or raises ribs; nerve supply, medial pectoral nerve. Synonym: musculus pectoralis minor, smaller pectoral muscle. (05 Mar 2000) |
| sternocostal part of pectoralis major muscle | pars sternocostalis musculi pectoralis majoris, sternocostal head of pectoralis major |
| nervus pectoralis lateralis | <anatomy, nerve> A nerve that arises from the lateral cord of the brachial plexus usually passing medial to pectoralis minor to supply the sternoclavicular head of pectoralis major. Synonym: nervus pectoralis lateralis, lateral anterior thoracic nerve. (05 Mar 2000) |
| nervus pectoralis medialis | <anatomy, nerve> A nerve that arises from the medial cord of the brachial plexus to supply the pectoral muscles; usually pierces pectoralis minor, then continues to supply mainly the sternocostal portion of pectoralis major. Synonym: nervus pectoralis medialis, medial anterior thoracic nerve. (05 Mar 2000) |
| subcoracoid-pectoralis minor tendon syndrome | <syndrome> Pain running down the arm, numbness, paresthesias, and erythema, with weakness of the hands; due to abduction of the arm for a prolonged period (e.g., during sleep or necessitated by occupation) which stretches the axillary vessels and the nerves of the brachial plexus. Synonym: subcoracoid-pectoralis minor tendon syndrome, Wright's syndrome. (05 Mar 2000) |
| fascia pectoralis | The fascia that covers the pectoralis major muscle; it is attached to the sternum and to the clavicle; laterally and below it is continuous with the fascia of the shoulder, axilla, and thorax. Synonym: fascia pectoralis. (05 Mar 2000) |
| articulationes carpometacarpeae | The synovial joints between the carpal and metacarpal bones; these are all plane joints except that of the thumb, which is saddle-shaped. Synonym: articulationes carpometacarpeae. (05 Mar 2000) |
| articulationes costovertebrales | The synovial joints uniting ribs and vertebrae; they consist of the articulatio capitis costae and the articulatio costotransversaria. Synonym: articulationes costovertebrales. (05 Mar 2000) |
| articulationes intercarpeae | The synovial joints between the carpal bones. Synonym: articulationes intercarpeae, carpal joints. (05 Mar 2000) |
| articulationes interchondrales | The synovial joints between the contiguous surfaces of the fifth, sixth, seventh, eighth, ninth, and tenth costal cartilages, forming the costal arch. Synonym: articulationes interchondrales, interchondral articulations. (05 Mar 2000) |
| articulationes intermetacarpeae | The synovial joints between the bases of the second, third, fourth, and fifth metacarpal bones. Synonym: articulationes intermetacarpeae. (05 Mar 2000) |
| articulationes intermetatarseae | The synovial joints between the bases of the five metatarsal bones. Synonym: articulationes intermetatarseae, intermetatarsal articulations. (05 Mar 2000) |
| articulationes interphalangeae manus | The hinge synovial joints between the phalanges of the fingers. Synonym: articulationes interphalangeae manus, digital joints, interphalangeal articulations, phalangeal joints. (05 Mar 2000) |
| articulationes interphalangeae pedis | The hinge synovial joints between the phalanges of the toes. Synonym: articulationes interphalangeae pedis. (05 Mar 2000) |