| LOT | lateral olfactory tract; left occipitotransverse [fetal position] |
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| LPM | lateral pterygoid muscle; liver plasma membrane |
| LPP | lateral pterygoid plate |
| LPS | lateral premotor system; levator palpebrae superioris [muscle]; linear profile scan; lipase; lipopol... |
| LPW | lateral pharyngeal wall |
| Luys' body | A circumscript nucleus, shaped like a biconvex lens, located in the ventral part of the subthalamus on the dorsal surface of the peduncular part of the internal capsule immediately rostral to the substantia nigra. The nucleus receives a massive topographic projection from the lateral segment of the globus pallidus, and a somatopically organised projection from the ipsilateral motor cortex; a smaller bundle of afferents from the centromedian nucleus of the thalamus terminate in the rostral part of the nucleus The subthalamic nucleus projects to both pallidal segments, to the pars reticulata of the substantia nigra, and in a small way to the ipsilateral pedunculopontine nucleus. Synonym: nucleus subthalamicus, corpus luysi, Luys' body, nucleus of Luys. (05 Mar 2000) |
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| Amberg's lateral sinus line | A line dividing the angle formed by the anterior edge of the mastoid process and the temporal line. (05 Mar 2000) |
| amyotrophic lateral sclerosis | A serious neurologic disease that results from the progressive degeneration of the motor neurons. (27 Sep 1997) |
| amyotropic lateral sclerosis | A chronic progressive disease of motor neurons (the nerves that come from the spinal cord to supply electrical energy to the muscles). (12 Dec 1998) |
| anterior lateral malleolar artery | <anatomy, artery> Origin, anterior tibial; distribution, ankle joint; anastomoses, peroneal, lateral tarsal. Synonym: arteria malleolaris anterior lateralis. (05 Mar 2000) |
| ventral lateral nucleus of thalamus | The composite middle third of the ventral nucleus receiving in its various parts distinctive projections from the contralateral half of the cerebellum (by way of the superior cerebellar peduncle) and the ipsilateral globus pallidus; nearly all parts of the nucleus projects to the motor cortex. Synonym: nucleus ventralis intermedius thalami, nucleus ventralis lateralis, ventral lateral nucleus of thalamus. (05 Mar 2000) |
| central and lateral intermediate substance | The central gray matter of the spinal cord surrounding the central canal. Synonym: substantia intermedia centralis et lateralis, anterior gray column, Stilling's gelatinous substance, substantia gelatinosa centralis. (05 Mar 2000) |
| central lateral nucleus of thalamus | The most lateral of the intralaminar nuclei of the thalamus. Synonym: nucleus centralis lateralis thalami. (05 Mar 2000) |
| right or left lateral decubitus film | A radiograph exposed with the subject in the decubitus position; named for the side that is dependent. Synonym: right or left lateral decubitus film. (05 Mar 2000) |
| cistern of lateral fossa of cerebrum | An elongated expansion of the subarachnoid space where the arachnoid bridges over the opening of the Sylvian fissure. Synonym: cisterna fossae lateralis cerebri. (05 Mar 2000) |
| posterior branch of lateral cerebral sulcus | The long, posteriorly-directed continuation of the lateral cerebral sulcus which extends between the temporal lobe inferiorly and the parietal lobe superiorly, its termination surrounded by the supramarginal gyrus. Synonym: ramus posterior sulci lateralis cerebri. (05 Mar 2000) |
| cross-table lateral projection | <radiology> Lateral projection radiography of a supine subject using a horizontal X-ray beam. (05 Mar 2000) |
| posterior lateral nasal arteries | Branches of the sphenopalatine artery that supply the posterior parts of the conchae and lateral nasal wall. Synonym: arteriae nasales posteriores laterales. (05 Mar 2000) |
| posterior superior lateral nasal branches of pterygopalatine ganglion | Branches of pterygopalatine ganglion to upper posterior part of lateral wall of nasal cavity, including superior and middle nasal concha/meatuses, and posterior ethmoidal sinuses. Synonym: rami nasales posteriores superiores laterales ganglii pterygopalatini. (05 Mar 2000) |
| primary lateral sclerosis | Considered by many to be a subgroup of motor neuron disease; a slowly progressive degenerative disorder of the motor neurons of the cerebral cortex, resulting in widespread weakness on an upper motor neuron basis; spasticity, hyperreflexia, and Babinski signs are present, but not fasciculation potentials, nor any electrodiagnostic evidence of a lower motor neuron lesion. Synonym: lateral spinal sclerosis. (05 Mar 2000) |