| AAR | active avoidance reaction; acute articular rheumatism; antigen-antiglobulin reaction |
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| ACC | accommodation; acetyl coenzyme A carboxylase; acinic cell carcinoma; acute care center; adenoid cyst... |
| AM | Academic Medicine [journal]; actomyosin; acute myelofibrosis; adult male; adult monocyte; aerospace ... |
| BASE | B27-arthritis-sacroiliitis-extra-articular features [syndrome] |
| CAR | Canadian Association of Radiologists; cancer-associated retinopathy; cardiac ambulation routine; cel... |
| PAN | posterior articular nerve |
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| RAC | rabbit articular chondrocytes |
| sternal | <anatomy> Of or pertaining to the sternum; in the region of the sternum. Sternal ribs. See the Note under Rib. Source: Websters Dictionary (01 Mar 1998) |
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| sternal angle | The angle between the manubrium and the body of the sternum at the manubriosternal junction. Marks the level of the second costal cartilage (rib) for counting ribs or intercostal spaces. Denotes level of aortic arch, bifurcation of trachea, and T4/T5 intervertebral disc. Synonym: angulus sterni, Louis' angle, Ludwig's angle, manubriosternal junction. (05 Mar 2000) |
| sternal arteries | <anatomy, artery> Branches of internal thoracic artery which pass medially to supply the transversus thoracis muscle and posterior sternum. Synonym: rami sternales arteriae thoracicae internae, sternal arteries. (05 Mar 2000) |
| sternal bar | One of the transverse units of the developing sternum formed by the union of paired primordia. (05 Mar 2000) |
| sternal branches of internal thoracic artery | <anatomy, artery> Branches of internal thoracic artery which pass medially to supply the transversus thoracis muscle and posterior sternum. Synonym: rami sternales arteriae thoracicae internae, sternal arteries. (05 Mar 2000) |
| sternal cartilage | A costal cartilage of one of the true ribs. (05 Mar 2000) |
| sternal end of clavicle | The enlarged medial end of the clavicle that articulates with the manubrium sterni. Synonym: extremitas sternalis claviculae, sternal end of clavicle. (05 Mar 2000) |
| sternal extremity of clavicle | The enlarged medial end of the clavicle that articulates with the manubrium sterni. Synonym: extremitas sternalis claviculae, sternal end of clavicle. (05 Mar 2000) |
| sternal joints | The cartilaginous junctions between the body of the sternum and the manubrium, and the xiphoid process; in domestic animals, there may be several, e.g., synchondrosis manubriosternalis, synchondrosis intersternebralis, and synchondrosis xiphosternalis. Synonym: synchondroses sternales, sternal joints. (05 Mar 2000) |
| sternal line | A vertical line corresponding to the lateral margin of the sternum. Synonym: linea sternalis. (05 Mar 2000) |
| sternal membrane | Interlacing fibres from the anterior costosternal ligaments covering the anterior surface of the sternum. Synonym: membrana sterni. (05 Mar 2000) |
| sternal muscle | <anatomy> An inconstant muscle, running parallel to the sternum across the costosternal origin of the pectoralis major, and usually connected with the sternocleidomastoid and rectus abdominis muscles due to their common development source. Synonym: musculus sternalis, musculus rectus thoracis, sternal muscle. (05 Mar 2000) |
| sternal notch | The V shaped notch at the top of the breastbone (sternum). (12 Dec 1998) |
| sternal part of diaphragm | The small slip on each side that arises from the inner surface of the xiphoid process and inserts on the central tendon. Synonym: pars sternalis diaphragmatis. (05 Mar 2000) |
| sternal plane | A plane indicated by the front surface of the sternum. Synonym: planum sternale. (05 Mar 2000) |