| LMS | lateral medullary syndrome; left main stem [coronary artery]; leiomyosarcoma; Licentiate in Medicine... |
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| LNS | lateral nuclear stratum; Lesch-Nyhan syndrome |
| LOT | lateral olfactory tract; left occipitotransverse [fetal position] |
| LPM | lateral pterygoid muscle; liver plasma membrane |
| LPP | lateral pterygoid plate |
| lateral line system | A series of sense organs that detect pressure or vibrations along the head and side of cyclostomes, fishes, and some amphibians. (05 Mar 2000) |
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| lateral lingual swellings | In the embryo, paired oval elevations that appear in the floor of the mouth at mandibular arch level; the primordial elevations, composed of mesenchyme covered by ectoderm of stomodeal origin, merge to form the greater part of the anterior two thirds of the tongue. (05 Mar 2000) |
| lateral lip of linea aspera | The lateral margin of the linea aspera of the femur that gives attachment to the lateral intermuscular septum and the short head of the biceps femoris muscles. Synonym: labium laterale lineae asperae. (05 Mar 2000) |
| lateral lithotomy | Lithotomy in which the perineum is incised to one side of the median line. (05 Mar 2000) |
| lateral longitudinal arch of foot | Formed by calcaneus, cuboid and two lateral metatarsals; the combined arch is supported normally by ligaments, intrinsic muscles, and the tendons of extrinsic muscles of the foot. Synonym: arcus pedis longitudinalis pars lateralis. (05 Mar 2000) |
| lateral longitudinal stria | A thin longitudinal band of nerve fibres accompanied by gray matter, near each outer edge of the upper surface of the corpus callosum under cover of the cingulate gyru. Synonym: stria longitudinalis lateralis, stria tecta, tectal stria. (05 Mar 2000) |
| lateral lumbar intertransversarii muscles | Origin, transverse processes of lumbar vertebrae; insertion, next superior transverse process; action, abducts lumbar vertebrae; nerve supply, ventral branches of lumbar nerves. Synonym: musculi intertransversarii laterales lumborum, lateral lumbar intertransverse muscles. (05 Mar 2000) |
| lateral lumbar intertransverse muscles | Origin, transverse processes of lumbar vertebrae; insertion, next superior transverse process; action, abducts lumbar vertebrae; nerve supply, ventral branches of lumbar nerves. Synonym: musculi intertransversarii laterales lumborum, lateral lumbar intertransverse muscles. (05 Mar 2000) |
| lateral lumbocostal arch | <anatomy> One of Haller's arches; a thickening of the fascia of the quadratus lumborum muscle between the transverse process of the first lumbar vertebra and the twelfth rib on either side that gives attachment to a portion of the diaphragm. Synonym: ligamentum arcuatum laterale, arcus lumbocostalis lateralis, lateral lumbocostal arch. (05 Mar 2000) |
| lateral malleolar arteries | Lateral malleolar branches of peroneal artery. Synonym: rami malleolares laterales, arteriae malleolares posteriores laterales, posterior peroneal arteries. (05 Mar 2000) |
| lateral malleolar bursa | <anatomy> The bursa between the lateral malleolus and the skin. Synonym: bursa subcutanea malleoli lateralis, lateral malleolus bursa, subcutaneous bursa of lateral malleolus. (05 Mar 2000) |
| lateral malleolar ligament | <anatomy> See: anterior tibiofibular ligament, posterior tibiofibular ligament. (05 Mar 2000) |
| lateral malleolar network | A network over the lateral malleolus formed by branches of the posterior lateral malleolar, anterior lateral malleolar, peroneal, and lateral tarsal arteries. Synonym: rete malleolare laterale. (05 Mar 2000) |
| lateral malleolar surface of talus | That surface of the trochlea of the talus that articulates with the lateral malleolus of the fibula. Synonym: facies malleolaris lateralis tali. (05 Mar 2000) |
| lateral malleolus | The process at the lateral side of the lower end of the fibula, forming the projection of the lateral part of the ankle; the lateral malleolus is more inferiorly placed then the medial malleolus. Synonym: malleolus lateralis, external malleolus, extramalleolus, outer malleolus. (05 Mar 2000) |