| bronchus principalis sinister | It arises at the bifurcation of the trachea, passes in front of the oesophagus and enters the hilum of the left lung where it divides into a superior lobe bronchus and an inferior lobe bronchus. It is longer, of narrower caliber, and more nearly-horizontal than the right main bronchus, hence, aspirated objects enter it less frequently. Synonym: bronchus principalis sinister. (05 Mar 2000) |
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| ramus sinister | Of a pair of branches, the branch passing to the left side of the body, to the left member of a bilateral pair of structures, or to the left portion of an unpaired structure; the other member of the pair being a right branch. Synonym: ramus sinister. (05 Mar 2000) |
| ramus sinister arteriae hepaticae propriae | <anatomy, artery> Left branch of proper hepatic artery; terminal branch off proper hepatic artery supplying left lobe of the liver. Synonym: ramus sinister arteriae hepaticae propriae. (05 Mar 2000) |
| ramus sinister venae portae hepatis | Left branch of hepatic portal vein. (05 Mar 2000) |
| ventriculus sinister | <anatomy> The muscular chamber of the heart which accepts blood from the left atrium and ejects it into the aorta to the systemic circulation. (27 Sep 1997) |
| ductus hepaticus sinister | The duct that drains bile from the left half of the liver, including the quadrate lobe and the left part of the caudate lobe. Synonym: ductus hepaticus sinister. (05 Mar 2000) |
| ductus lobi caudati sinister | A tributary to the left hepatic duct draining bile from the left half of the caudate lobe. Synonym: ductus lobi caudati sinister. (05 Mar 2000) |
| lobus hepatis sinister | It is separated from the right lobe above and in front by the falciform ligament, and from the quadrate and caudate lobes by the fissure for the ligamentum teres and the fissure for the ligamentum venosum; the distribution of the portal vein, hepatic artery, and bile ducts does not correspond to the gross lobar divisions of the liver. It contains two segments, superior and inferior. Synonym: lobus hepatis sinister. (05 Mar 2000) |
| lobus sinister | The left subdivision of several glands, e.g., prostate, thyroid, thymus. Synonym: lobus sinister. (05 Mar 2000) |