LAP- 



164 



LAX 



lappaceous (lapa'shus) a. [L. lappa, 

 bur.] Prickly (dot.). 



lappet (lap'et) n. [M.E. lappe, a loose 

 hanging part.] One of the paired 

 lobes extending downwards from 

 the distal end of the stomodaeum 

 in jelly-fish ; the lobes of a sea- 

 anemone gullet ; the wattle of a 

 bird (zool.). 



larva (lar'va) n. [L. larva, ghost.] 

 An embryo which becomes self- 

 sustaining and independent before 

 it has assumed the characteristic 

 features of its parents (zool.). 



larval (lar'val) a. [L. larva, ghost.] 

 Pert, or in the larval stage (zool.). 



larviform (lar'viform) a. [L. larva, 

 ghost ; forma, shape.] Shaped like 

 a larva (zool.). 



larvigerous (larvlj'erus) a. [L. larva, 

 ghost ; gerere, to bear.] Coarctate 

 (zool.). 



larvlparous (larvip'arus) a. [L. larva, 

 ghost ; parere, to produce.] Pro- 

 ducing live larvae (zool.). 



larvlvorous (larviv'orus) a. [L. larva, 

 ghost ; vorare, to devour.]" Larva- 

 eating (sool.). 



larvule (lar'vul) n. [L. larvula, small 

 larva.] Young larva (zool.). 



laryngeal (larin'jeal, lar'fnje'al) a. 

 [Gk. larynx, upper part of wind- 

 pipe.] Pert, or near the larynx ; 

 appl. artery, vein, nerve, etc. 

 (anat.). 



laryngotracheal (laring'gotra'keal, 

 larin'jo-) a. [Gk. larynx, windpipe ; 

 L. trachea, trachea.] Pert, larynx, 

 and trachea ; appl. embryonic tube 

 (emb.). 



larynx (lar'inks);*., larynges (larin'jez) 

 plu. [Gk. larynx, the larynx.] The 

 organ of voice in most vertebrates, 

 with the exception of birds (zool.). 



lasso-cells, filamented hemispheri- 

 cal cells investing the tentacles 

 of Ctenophores, which adhere to 

 foreign bodies (zool.). 



latebra (lat'ebra) n. [L. latebra, 

 hiding-place.] The bulb of the 

 flask-shaped mass of white yolk in 

 eggs (emb.). 



latebricole (latgb'rikol) a. [L. latebra, 

 hiding-place ; colere, to cultivate.] 

 Inhabiting holes. 



latent (la'tSnt) a. [L. latere, to lie 

 hid.] Lying dormant but capable 



of development under favourable 

 circumstances ; appl. buds (hot.) ; 

 resting stages (zool.) \ character- 

 istics (biol.). 



latent bodies, the resting stage of 

 certain Haemoflagellates (zool.). 



lateral (lateral) a. [L. latus, side.] 

 Pert, or situated at a side (zool.) ; 

 or at a side of an axis (bot.). 



lateral chain theory, see side chain 

 theory (phys.). 



lateral line, a longitudinal line at 

 each side of the body of Fishes 

 marking the position of supposedly 

 sensory cells connected together, 

 and with the pneumogastric nerve 

 (zool.). 



lateral mesenteries, the mesenteries 

 ofZoantharia, excludingthe directive 

 or dorsal and ventral pairs (zool.). 



laterigrade (lat'erigrad) a. [L. latus, 

 side ; gradus, step.] Walking side- 

 ways, as a crab (zool.). 



laterinerved (lat'erinervd') a. [L. 

 latus, side ; nervus, sinew.] With 

 lateral veins (bot.). 



latex (la'teks) n. [L. latex, fluid.] A 

 milky fluid found in some plants 

 (bot.). 



laticiferous (lat'isif'erus) a. [L. latex, 

 fluid ; ferre, to carry.] Conveying 

 latex ; appl. cells, tissue, vessels 

 (bot.). 



latiplantar (lat'iplan'tar) a. [L. latus, 

 side ; filanta, sole of foot.] Having 

 the hinder tarsal surface rounded 

 (zool.). 



latirostral (lat'iros'tral) a. [L. latus, 

 broad ; rostrum, beak.] Broad- 

 beaked (zool.). 



latiseptate (lat'isep'tat) a. [L. latus, 

 broad ; septum, septum.] Having 

 a broad septum in the silicula 

 (bot.). 



Laurer-Stieda canal, a canal leading 

 from the junction of the oviduct 

 and vitelline duct to open exter- 

 nally on the dorsal surface in Tre- 

 matodes (zool.). 



laurinoxylon (lor'inok'silon) n. [L. 

 laurus, laurel ; Gk. xylon, wood.] 

 Any fossil wood. 



law of acceleration, the generaliza- 

 tion that organs of greater import- 

 ance develop more quickly (emb.). 



lax(laks)a. [L. laxus, loose.] Loose, 

 as appl. panicle (bot.). 



