| LL | large lymphocyte; lateral leminiscus; left lateral; left leg; left lower; left lung; lepromatous [in... |
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| LLR | large local reaction; left lateral rectus [muscle]; left lumbar region |
| LMP | large multifunctional protease; last menstrual period; latent membrane potential; left mentoposterio... |
| LP | labile peptide; labile protein; laboratory procedure; lactic peroxidase; lamina propria; laryngophar... |
| LS | lateral suspensor; left sacrum; left septum; left side; legally separated; leiomyosarcoma; length of... |
| lumbar rheumatism | <symptom> Pain in the lumbar region. Origin: L. Lumbus = loin (18 Nov 1997) |
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| lumbar rib | An occasional rib articulating with the transverse process of the first lumbar vertebra. (05 Mar 2000) |
| lumbar rotator muscles | The rotator muscles of the lumbar vertebrae. Synonym: musculi rotatores lumborum, lumbar rotator muscles. (05 Mar 2000) |
| lumbar segments of spinal cord | The five lumbar segments of the spinal cord which give rise to the five pairs of lumbar spinal nerves and constitute the lumbar part of the spinal cord. Synonym: segmenta medullae spinalis lumbaria. (05 Mar 2000) |
| lumbar splanchnic nerves | Branches from the lumbar sympathetic trunks that pass anteriorly to convey presynaptic sympathetic fibres to, and visceral afferents from, the coeliac, intermesenteric, aortic, and superior hypogastric plexuses. Synonym: nervi splanchnici lumbales. (05 Mar 2000) |
| lumbar triangle | An area in the posterior abdominal wall bounded by the edges of the latissimus dorsi and external oblique muscles and the iliac crest; herniations occasionally occur here. Synonym: trigonum lumbale, Petit's lumbar triangle. (05 Mar 2000) |
| lumbar trunks | Two lymphatic ducts conveying lymph from the lower limbs, pelvic viscera and walls, large intestine, kidneys, and suprarenal glands; they discharge into the cisterna chyli. Synonym: trunci lumbales. (05 Mar 2000) |
| lumbar veins | Five in number, these veins accompany the lumbar arteries, drain the posterior body wall and the lumbar vertebral venous plexuses, and terminate anteriorly as follows: the first and second in the ascending lumbar vein, the third and fourth in the inferior vena cava, and the fifth in the iliolumbar vein; all communicate via the ascending lumbar veins. Synonym: venae lumbales. (05 Mar 2000) |
| lumbar vertebrae | The vertebrae, usually five in number, located in the lumbar region of the back. Synonym: vertebrae lumbales. (05 Mar 2000) |