| MM | macromolecule; Maelzels metronome; major medical [insurance]; malignant melanoma; manubrium to malle... |
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| TS | triangularis sterni |
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| manubrium sterni | The upper segment of the sternum, a flattened, roughly triangular bone, occasionally fused with the body of the sternum, forming with it a slight angle, the sternal angle. Synonym: manubrium sterni, episternum, presternum. (05 Mar 2000) |
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| manubrium | Origin: L, handle, fr. Manus hand. 1. <anatomy> A handlelike process or part; especially, the anterior segment of the sternum, or presternum, and the handlelike process of the malleus. 2. <zoology> The proboscis of a jellyfish. Synonym: hypostoma. Source: Websters Dictionary (01 Mar 1998) |
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| manubrium mallei | The handle of the malleus; the portion that extends downward, inward, and backward from the neck of the malleus; it is embedded throughout its length in the tympanic membrane. Synonym: manubrium mallei. (05 Mar 2000) |
| manubrium of malleus | The handle of the malleus; the portion that extends downward, inward, and backward from the neck of the malleus; it is embedded throughout its length in the tympanic membrane. Synonym: manubrium mallei. (05 Mar 2000) |
| manubrium of sternum | The upper segment of the sternum, a flattened, roughly triangular bone, occasionally fused with the body of the sternum, forming with it a slight angle, the sternal angle. Synonym: manubrium sterni, episternum, presternum. (05 Mar 2000) |
| angulus sterni | 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) |
| membrana sterni | Interlacing fibres from the anterior costosternal ligaments covering the anterior surface of the sternum. Synonym: membrana sterni. (05 Mar 2000) |
| mucro sterni | <anatomy> Composed of cartilage at the inferior aspect of the sternal body. (27 Sep 1997) |
| musculus triangularis sterni | <anatomy, muscle> Origin, dorsal surface of xiphoid cartilage and lower portion of dorsal surface of body of sternum; insertion, second to sixth costal cartilages; action, contributes to depression of ribs, narrowing chest; nerve supply, intercostal. Synonym: musculus transversus thoracis, musculus triangularis sterni, sternocostalis muscle, transverse muscle of thorax. (05 Mar 2000) |
| corpus sterni | The middle and largest portion of the sternum, lying between the manubrium superiorly and the xiphoid process inferiorly. Synonym: corpus sterni, gladiolus, mesosternum, midsternum. (05 Mar 2000) |
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