| ludlamite | <chemical> A mineral occurring in small, green, transparent, monoclinic crystals. It is a hydrous phosphate of iron. Origin: Named after Mr. Ludlam, of London. Source: Websters Dictionary (01 Mar 1998) |
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| Ludloff's sign | <clinical sign> In traumatic separation of the epiphysis of the lesser trochanter: swelling and ecchymosis appear at the base of Scarpa's triangle, inability to raise the thigh in the sitting posture. (05 Mar 2000) |
| Ludloff, Karl | <person> German surgeon, 1864-1945. See: Ludloff's sign. (05 Mar 2000) |
| ludlow group | <geology> A subdivision of the British Upper Silurian lying below the Old Red Sandstone; so named from the Ludlow, in Western England. Source: Websters Dictionary (01 Mar 1998) |
| ludwig's angina | A bacterial infection of the floor of the mouth (sublingual space). May result in inability to swallow or speak. In advanced cases breathing may be impossible. Can be seen as a complication of a dental infection or procedure. (27 Sep 1997) |
| Ludwig's angle | 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) |
| Ludwig's ganglion | A small collection of parasympathetic nerve cells in the interatrial septum. (05 Mar 2000) |
| Ludwig's labyrinth | Proximal and distal convoluted tubules and the associated renal corpuscles supplied by branches of the interlobular arteries. Synonym: labyrinthus, pars convoluta lobuli corticalis renis, labyrinth, Ludwig's labyrinth, renal labyrinth. (05 Mar 2000) |
| Ludwig's nerve | <anatomy, nerve> A branch of the vagus which ends in the aortic arch and base of the heart; composed entirely of afferent fibres; its stimulation elicits a brainstem reflex which causes slowing of the heart, dilation of the peripheral vessels, and a fall in blood pressure. Synonym: Cyon's nerve, depressor nerve of Ludwig, Ludwig's nerve. (05 Mar 2000) |
| Ludwig, Daniel | <person> German anatomist, 1625-1680. See: Ludwig's angle. (05 Mar 2000) |
| Ludwig, Karl | <person> German anatomist and physiologist, 1816-1895. See: depressor nerve of Ludwig, Ludwig's ganglion, Ludwig's labyrinth, Ludwig's nerve, Ludwig's stromuhr. (05 Mar 2000) |
| Ludwig, Kurt | <person> German anatomist, *1922. See: Klinger-Ludwig acid-thionin stain for sex chromatin. (05 Mar 2000) |
| Ludwig, Wilhelm Friedrich von | <person> German surgeon, 1790-1865. See: Ludwig's angina. (05 Mar 2000) |
| ludwigite | <chemical> A borate of iron and magnesia, occurring in fibrous masses of a blackish green colour. Origin: Named after the chemist Ludwig. Source: Websters Dictionary (01 Mar 1998) |
| Luebering, J | <person> See: Rapoport-Luebering shunt. (05 Mar 2000) |