LEADING 



332 



LEPTOTHRIX 



alcohol and water. It is astringent and antiseptic and 

 used in skin diseases, ulcers, etc. L. Tannate, a 

 brownish-yellow, odorless, tasteless powder used as an 

 external astringent and antiseptic on ulcers, sore nip- 

 ples, etc., applied in substance or in ointment. L., 

 Test for, in System, paint a small area of the skin 

 with a 6% solution of sulfite. If lead is present, the 

 painted area will darken after a few days. [Ciccon- 

 ardi.] L., Test for, in the Urine, administer potas- 

 sium iodid for 4 days, collecting the urine. Evaporate 

 to a pint (500 c.c. ) and filter. Pass hydrogen sultid 

 gas through the urine thus concentrated, when a black 

 precipitate will form if lead be present. [White.] 



Leading (led'-ing). Among smelters a popular term 

 for chronic lead-poisoning. 



Lecane (Iek'-an-e) \7.emvr], a little pan]. I. A basin. 

 2. The pelvis. 



Lecanic (lek-an f -ik). Pelvic. 



Lecanorin {lek-an-or' -in) [/.snavr/, a little dish]. C 16 H U - 

 7 (Hesse). An acid isolated by Schunk (1842) from 

 different species of Koccella, Lecanora, and other lichens, 

 forming fine, white, stellate, tasteless crystals, soluble 

 in boiling alcohol or ether, melting at 153 C. Syn., 

 Lecanoric acid. 



Lecithalbumins (les-ith-aU -bu-minz). More or less 

 stable compounds of albumin and lecithin, found in 

 the mucosa of the stomach, in the lungs, liver, kidney, 

 and spleen, differing from nucleoproteids and nucleo- 

 albumins in that there is no metaphosphoric acid split 

 off and they yield no xanthin bases. 



Lecithin. (See Illus. Diet.) It is used as a nutritive 

 in tuberculosis. Dose, 1-5 gr. (o. 1-0.3 gm. ). 



Lecithoblast (les-ith'-o-blast) [/i/«0oc, yolk of egg; 

 /3Xa<7-oc, a germ]. One of the cells of the yolk-cavity 

 in the mammalian ovum. Syn., Lecithophore. 



Lecithophore (les-ith'-o-for) [/JuiOor, yolk of egg; 

 (popelv, to bear]. See Lecithoblast. 



Leeches (lech'-ez). A mycotic disease of mules and cattle. 



Leg. (See Illus. Diet.) 2. A pedicle, a supporting 

 structure. L., Anglesey. - See under Anglesey (Illus. 

 Diet. ). L., Badger, inequality in the size of the legs. 

 L., Bayonet, uncorrected backward displacement of 

 the knee-bones. L. -center, the "organ of firmness" 

 of Gall. 



Legroux's Remissions. See Remission. 



Legumelin (leg-u'-mel-in) \Jegumen, pulse]. An albu- 

 min found in most leguminous seeds. 



Leiomyofibroma (li-o-mi-o-Ji-bro / -mah) [heloc smooth ; 

 five, muscle ; fibra, fiber]. A tumor presenting the 

 characteristics of a leioma, a myoma, and a fibroma. 



Leipoxenous. See Lipoxenous (Illus. Diet.). 



Lemniscus. (See Illus. Diet.) Syn., Lacques ; Lac- 

 ques cerebri; L. pedunculi ; Kiefs band ; Fillet. L., 

 Inferior, L., Lower, a layer of fasciculi of nerve-fibers 

 in the tegmentum derived from the inferior quadrigemi- 

 nate bodies. Syn., Lamina tectoria : Layer, Teg- 

 mental (of the lemniscus) ; Lemniscus layer 0/ the teg- 

 mentum ; Stratum lemnisci inferius. L., Lateral, 

 L. lateralis, the lateral portion of the inferior lem- 

 niscus. L., Median, L. medialis, L. mesalis, L. 

 superior, L., Upper, that part of the fillet terminating 

 in the upper pair of quadrigeminate bodies. 



Lemosity (lemos / -it-e) [/.^p/, rheum]. See Lippitudo 

 (Illus. Diet.). 



Lenigallol {lcn-e-gal'-ol). Pyrogallol triacetate; a 

 white nontoxic powder soluble in aqueous alkaline 

 solutions. It is used in psoriasis and eczema in 0.5 f c - 

 5% ointment; it does not affect the healthy skin. 



Lenirobin (len-ir-o'-bin). Chrysarobin tetracetate. It 

 is used in treatment of skin-diseases. 



Lennesin (len'-is-in). A cholagog, said to be a gluco- 

 sid, from a species of Conyza. 



Lenticular. (See Illus. Diet. ) 3. Having the shape 

 of a lentil ; lentiform. 



Lenticulate (len-tik'-u-lat) {lens, a lentil]. Lens- 

 shaped, lentil-shaped. 



Lenticulooptic (len-tik-u-lo-op'-tik). Relating to the 

 lenticula and the thalamus. 



Lenticulostriate (leu-tik-u-lo-stri'-dt). Relating to the 

 lenticula and the striatum. 



Lenticulothalamic (len-tik-u-lo-thal'-am-ik). See 

 Lenticulooptic. 



Lenticulus (len-tik'-u-lus). See Bone, Orbicular. 



Leo (le'-o) [L., a lion]. See Leontiasis (Illus. Diet.). 

 L. ruber, antimony trisulfid. 



Leo's Sugar. See Laiose. 



Leonotis (le-on-o'-tis) \_~aeuv, a lion; ovc; ear]. A 

 genus of labiate plants. L. leonurus, R. Br., wild 

 dagga, lion's tail, the minaret flower, a species of 

 South Africa, is emmenagog and purgative and is also 

 used in snake-bites. L. nepetaefolia, R. Br., the 

 leaves are used in the West Indies and South America 

 in intermittent and typhus fever, and in India the ashes 

 of the flowers are applied to ring- worm. 



Lepargylate (le-par'jil-at). A salt of lepargylic acid. 



Lepidic (lep-id'-ik) ['/.eirir, a scale, a husk]. Applied 

 by Adami to the tissues of lining membranes character- 

 ized by absence of definite stroma between the indi- 

 vidual cells. 



Lepidin. (See Illus. Diet.) 3. C 28 H 40 O. A crystal- 

 line base obtained from coal-oil by action of hydro- 

 chloric acid. 



Lepidoid. (See Illus. Diet.) 2. Squamous. 



Lepidoma (lep-id-o / -mah) [P.et/c, a husk]. A term 

 proposed by Adami for a tumor springing from the tis- 

 sue of a lining membrane and distinguished as epilepid- 

 oma, hypolepidoma, mesolepidoma, and endolepidoma, 

 according to the origin of the neoplasm from the 

 epiblastic, hypoblastic, mesothelial, or endothelial 

 structures. 



Lepidosis. (See Illus. Diet.) L. ichthyiasis, ich- 

 thyosis. L. ichthyiasis cornigera, ichthyosis hys- 

 trix. L. lepra, psoriasis. L. lepriasis, lepriasis. 

 L. psoriasis. 1. Eczema squamosum. 2. Willan's 

 term for psoriasis. 



Lepine {let-pen). An antiseptic fluid said to consist of 

 mercuric chlorid, 0.001 gm.; carbolic and salicylic 

 acids, each -o. I gm.; benzoic acid and calcium chlorid, 

 each 0.05 gm. ; bromin, 0.01 gm.; quinin hydro- 

 bromid, 0.2 gm.; chloroform, 0.2 gm.; distilled water, 

 100 parts. 



Lepra. (See Illus. Diet.) L. anaisthetos, anesthetic 

 leprosy. L. Arabum, elephantiasis. L. asturiensis, 

 pellagra. L. borealis, radesyge and spedalskhed. 



Lepraphobia. See Leprophobia (Illus. Diet.). 



Leprid (lep / -rid). A skin-lesion of leprosy. 



Leproma (lep-ro'-viah) [/in-pa, leprosy]. The specific 

 lesion of tubercular leprosy. 



Leprosis (lep-ro'-sis). Leprosy. 



Leptohymenia (lep-to-hi-me' -ne-ah). See Lepthvmcnia 

 (Illus. Diet.). 



Leptomeningitis. (See Illus. Diet.) L. externa. 

 See Arachnitis (Illus. Diet.). L. infantum. Syn- 

 onym of Meningitis, Basal, without Tubercles. 



Leptomitus (Up torn' -it-US') [?e~r6e, thin; firor, 

 thread]. A genus of fungi of the family Saprolegni- 

 acea. Several species are considered pathogenic. 



Leptostaphylic, Leptostaphyline (lep-lo-sta/ / -il-it, 

 -<?«) Vkzktoc, thin; araov'/rj, uvula]. Having a slender 

 alveolar arch. Cf. Brachystafhylic, Mesostaphylic, 



Leptostaphylin (lep-to-staf'-il-in). An individual or 

 type characterized by a narrow alveolar arch. 



Leptothrix. (See Illus. Diet.) L. -mycosis of the 

 pharynx. See Hyperkeratosis lacunaris pharyngis. 



