| DEJ, dej | dentino-enamel junction; dermo-epidermal junction |
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| QRS-ST | the junction between the QRS complex and the ST segment in the electrocardiogram [junction] |
| LS | lateral suspensor; left sacrum; left septum; left side; legally separated; leiomyosarcoma; length of... |
| L/S | lactase/sucrase [ratio]; lecithin/ sphingomyelin [ratio]; lipid/saccharide [ratio]; longitudinal sec... |
| LSEP | left somatosensory evoked potential; lumbosacral somatosensory evoked potential |
| EGJ | Esophagogastric junction |
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| EJC | excitatory junction current |
| EJP | exciitatory junction potential |
| GJ | Gap junction |
| GJIC | Gap junction intercellular communication |
| lumbosacral | <anatomy> Of or pertaining to the loins and sacrum; as, the lumbosacral nerve, a branch of one of the lumber nerves which passes over the sacrum. Origin: L. Lumbus loin + E. Sacral. Source: Websters Dictionary (01 Mar 1998) |
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| lumbosacral angle | The angle between the long axis of the lumbar part of the vertebral column and that of the sacrum. (05 Mar 2000) |
| lumbosacral joint | The articulation of the fifth lumbar vertebra with the sacrum. Synonym: articulatio lumbosacralis, junctura lumbosacralis. (05 Mar 2000) |
| lumbosacral plexus | The lumbar and sacral plexuses taken together. The fibres of the lumbosacral plexus originate in the lumbar and upper sacral spinal cord (l1 to s3) and innervate the lower extremities. (12 Dec 1998) |
| lumbosacral trunk | A large nerve, formed by the union of the fifth lumbar and first sacral nerves, with a branch from the fourth lumbar nerve, which enters into the formation of the sacral plexus. Synonym: truncus lumbosacralis. (05 Mar 2000) |
| adhering junction | <cell biology> A type of junction between cells forming tissues that are subjected to stretching and pulling, such as the skin. This type of junction provides very tight contact between adjacent cells and allows the cells to fuction as a unit. Belt desmosomes are attachment sites that circle the cell, and spot desmosomes are small points of attachment across the cells surface. (15 Jan 1998) |
| amelodental junction | Amelodentinal junction, rarely used terms for dentinoenamel junction. (05 Mar 2000) |
| amnioembryonic junction | The line of amniotic attachment to the periphery of the embryonic disk. (05 Mar 2000) |
| anorectal junction | Transition from rectum to anal canal; corresponds to the perineal flexure, or the level at which the gut perforates the pelvic diaphragm; here the rectal ampulla narrows abruptly into a narrow slip. (05 Mar 2000) |
| anterior junction line | Radiographic projection of the mediastinal tissue septum between the upper lobes behind the sternum. (05 Mar 2000) |
| A-V junction | Imprecisely defined zone surrounding and including the A-V node and the adjacent atrial and ventricular myocardium. (05 Mar 2000) |
| cardioesophageal junction | The abrupt transition from oesophageal mucosa to that of the cardiac portion of stomach, demarcated internally in the living by the z-line, and approximated externally by the cardiac notch. (05 Mar 2000) |
| gap junction | <cell biology> A junction between two cells consisting of many pores that allow the passage of molecules up to about 900D. Each pore is formed by an hexagonal array (connexon) of six transmembrane proteins (connexins) in each plasma membrane: when mated together the pores open, allowing communication and the interchange of metabolites between cells. Electrical synapses are gap junctions and metabolic cooperation depends upon the formation of gap junctions. (18 Nov 1997) |
| manubriosternal junction | 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) |
| rectosigmoid junction | <anatomy> The site where the sigmoid colon becomes the rectum; usually takes the form of an acute angle, demarcated externally by a discontinuation of appendices epiploicae, a spreading out of the teniae coli to completely encircle the rectum, and consequently, termination of the sacculations (haustrae) between the teniae. (05 Mar 2000) |
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