LEP- 



166 



LIE- 



leptodermatous (Ifip'todeYmatus) a. 

 [Gk. leptos, slender ; derma, skin.] 

 Thin-skinned; appl, various thecae 

 (bot.}. 



leptodermic (Igp'todgr'mik). Lepto- 

 dermatous. 



leptodermous (Igp'toder'mus). Lepto- 

 dermatous. 



leptome (Igp'tom) n. [Gk. leptos, 

 slender.] Vascular tissue of 

 plant stems ; phloem ; bast (bot.}. 



leptophloem '(ISp'toflo'Sm) n. [Gk. 

 leptos, slender ; phloios, smooth 

 bark.] Rudimentary bast tissue 



leptophyllous (lep'tofil'us) a. [Gk. 

 leptos, slender ; phyllon, leaf.] 

 With slender leaves "(bot.}. 



leptosporangiate (Igp'tosporan'jiat) a. 

 [Gk. leptos, slender ; sporos, seed ; 

 anggeion, vessel.] With sporo- 

 genous tissue developing from 

 outer cell of periclinal division ; 

 opp. eusporangiate (bot.}. 



leptostroterate (lep'tostrot'grat) a. 

 [Gk. leptos, slender ; strotos, 

 covered.] With ambulacra! plates 

 narrow and crowded together, as 

 in certain Stelleroidea (zool.}. 



leptoxylem (lep'tozl'lgm) n. [Gk. 

 leptos, slender ; xylon, wood.] 

 Rudimentary wood tissue (bot.}. 



leptus (Igp'tus) n. [Gk. leptos, small.] 

 The six-legged larva of mites 

 (zool.}. 



lethal (le'thal) a. [L. letum, death.] 

 Of a parasite, fatal or deadly in 

 relation to a particular host (zool.}. 



leuceine (lu'sgin, lu'seen, loo-) n. 

 [Gk. leukos, white.] An amino- 

 acid formed during the decomposi- 

 tion of proteids (phys.}. 



leucine (lu'sen, lu'sln, loo-) n. [Gk. 

 leukos, white.] A white nitro- 

 genous substance found as a 

 constituent of various tissues and 

 organs (phys.}. 



leucite (lu'sit, loo-) n. [Gk. leukos, 

 white.] A colourless plastid (bot.}. 



leucoblast (lu'koblast, loo-) n. [Gk. 

 leukos, white ; blastos, bud.] A 

 colourless blood-corpuscle in de- 

 velopment (emb.}. 



leucocarpous (lu'kokar'pus, loo-) a. 

 [Gk. leukos, white ; karoos, fruit.] 

 With the fruit white (bot.}. 



leucocyan (lu'kosfan, loo-) n. [Gk. 



leukos, white ; kyanos, dark blue.] 

 A pigment found in certain Algae 

 (bot.}. 



leucocyte (lu'koslt, loo-) n. [Gk. 

 leukos, white ; kytos, hollow.] An 

 amoebocyte ; a colourless blood- 

 corpuscle (anat.}. 



leucocy togenesis (lu'kosi'toj en'esls, 

 loo-) n. [Gk. leukos, white ; kytos, 

 hollow ; gignesthai, to produce.] 

 Leucocyte formation (phys.}. 



leucoplastids (lu'koplas'tidz, loo-) n. 

 plu. [Gk. leukos, white ; plastos, 

 formed.] Colourless plastids from 

 which amylo-, chloro-, and chromo- 

 plastids arise (bot.}. 



leucoplasts (lu'koplasts, loo-) n. phi. 

 [Gk. leukos, white; plastos, formed.] 

 Colourless granules of plant cyto- 

 plasm which may develop into 

 chromatophores or amyloplasts 

 (bot.}. 



levator (16va/tor) n. [L. levare, to 

 raise.] A name given to muscles 

 serving to raise an organ or part 

 (anat.}. 



Leydig's duct, the Wolffian duct 

 (emb.}. 



Leydig's organs, minute organs on 

 the antennae of Arthropods, sup- 

 posed to be organs of smell (zool.}. 



liana (lian'a) n. [L. ligare, to bind.] 

 Any luxuriant woody climber of 

 tropical or semi-tropical forests 

 (bot.}. 



liber (ll'ber) n. [L. liber, inner bark.] 

 Bast (bot.}. 



lichenism (ll'kgnizm) n. [Gk. leichen, 

 liverwort.] Symbiotic relationship 

 between Fungi and Algae (bot.}. 



lichenoid (H'kgnoid) a. [Gk. leichen, 

 liverwort ; eidos, resemblance.] 

 Resembling a Lichen (bot.}. 



lichenology (Il'ke"n61'6ji) n. [Gk. 

 leichen, liverwort; logos, discourse.] 

 The study of Lichens (bot.}. 



Lieberktihn's crypts, tubular glands 

 of the intestines (anat.}. 



lien (ll'6n, le'6n) n. [L. lien, spleen.] 

 Spleen. 



lienal (ll'enal) a. [L. lien, spleen.] 

 Pert, spleen ; appl. artery, vein, 

 nerve plexus (anat.}. 



lienculus (lign'kulus) n. [L. lien, 

 spleen.] An accessory spleen 

 (anat.}. 



lienogastric (lle'nogas'trlk, lea'no-) a. 



