| sternal line | A vertical line corresponding to the lateral margin of the sternum. Synonym: linea sternalis. (05 Mar 2000) |
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| 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) |
| sternal puncture | Removal of bone marrow from the manubrium by needle. (05 Mar 2000) |