FEN- 



105 



FIL- 



limb in man and vertebrates (anat.}; 

 the third joint in an insect's leg 

 counting from the proximal end 

 (zool.}. 



fenchone (fSn'chon) n. [Ger./enc/ie/, 

 fennel.] A ketone, the essential 

 oil in oil of fennel (phys.}. 



fenestra (fgneYtrS) n. [L. fenestra, 

 window.] An opening in a bone, 

 or between two bones (anat.} ; a 

 pit on the head of the cockroach ; 

 a transparent spot on the wings 

 of insects (zool.}. 



fenestrate (fgngs'trat) a. [L. fenestra, 

 window.] Having small perfora- 

 tions or transparent spots, appl. 

 insects' wings (zool.} ; having 

 numerous perforations, appl. leaves 

 (hot.}. 



fenestrule (ffineVtrool) n. [L.. fenestra, 

 window.] A small opening be- 

 tween the branches of a polyzoan 

 colony (zool.}. 



feral (f e'ral) a. [L. fera, wild animal.] 

 Wild, or escaped from cultivation 

 and reverted back to the wild state 

 (zool.}. 



ferment (feYmSnt) n. [L. fermentum, 

 ferment.] A substance, organized 

 or unorganized, capable of produc- 

 ing fermentation (phys.}. 



fermentation (feYmSnta'shun) n. [L. 

 fermentum, ferment.] Any of the 

 transformations occurring in or- 

 ganic substances caused by the 

 presence of a ferment (phys.}. 



ferruginous (fgroo'jmus) a. [L.ferru- 

 ginus, rusty.] Having the appear- 

 ance of a rusty spot (bot.}. 



fertile (feVtil) a. [L.fertilis, fertile.] 

 Capable of producing ; of eggs or 

 seeds capable of developing (biol.}. 



fertilization (feYtiliza'shun) n. [L. 

 fertilis, fertile.] The orderly and 

 intimate union of male and female 

 pronuclei (biol.} ; the process of 

 pollination (bot.}. 



fetlock (feY16k) n. [I eel. fet, step ; 

 lokka, tuft of hair.] The tuft of 

 hair behind a horse's pastern joint ; 

 the pastern joint itself (zool.}. 



fibre (ffber) n. [L. fibra, band.] A 

 strand of nerve, muscle, connective, 

 or bast-tissue (bot., zool.}. 



fibril (fl'brll) n. [L. fibrilla, a small 

 fibre.] A small thread-like structure 

 or fibre, a component part of a 



fibre (anat.}; a root-hair ; a slender 

 filiform outgrowth on some Lichens 

 (bot.}. 



fibrillae (flbril'e) n. plu. [L. fibrilla, 

 small fibre.] The thread-like 

 branches of roots (bot.} ; minute 

 elastic fibres secreted within spongin 

 cells ; minute muscle-like threads 

 found in various Infusorians (zool.). 



fibrillate (fl'brilat) a. [L. fibrilla. 

 small fibre.] Having fibrillae or 

 hair-like structures (bot.}. 



fibrillose (fl'brilos, fibril'os) a. [L. 

 fibrilla, small fibre.] Furnished 

 with fibrils ; appl. mycelia of 

 certain Fungi (bot.}. 



fibrin (ffbrin) n. [L. fibra, band.] 

 An insoluble proteid found in blood 

 after coagulation, it is readily 

 digested in gastric juice (p/tys.}. 



fibrinogen (fibrin'qje'n) n. [L. fibra, 

 band ; Gk. gignesthai, to produce.] 

 A soluble constituent of blood which 

 yields fibrin and produces coagula- 

 tion (phys.}. 



fibro-cartilage (fi'bro-kar'tilaj) n. [L. 

 fibra, band ; cartilago, gristle.] A 

 kind of cartilage whose matrix is 

 mainly composed of fibres similar 

 to connective tissue fibres, found 

 at articulations, cavity margins, and 

 osseous grooves (anat }. 



fibrous (fi'brus) a. [L fibra, band.] 

 Composed of fibres ; appl. tissue 

 (anat.} ; roots (bot.}. 



fibula (fib'ula) n. [L. fibula, buckle.] 

 The outer and smaller bone of 

 the shin (anat.}. 



fibulare (fib'ula're, -ara) n. [L. fibula, 

 buckle.]/ The outer element of the 

 proximal row of the tarsus (anat.}. 



filament (firSme'nt) n. [L. filuni, 

 thread.] The stalk of the anther 

 (bot.} ; the stalk of a down-feather 

 (zool.}. 



fllicauline (fil'ikolTn) a. [L. filum, 

 thread ; caulis, stalk.] With a 

 thread-like stem (bot., zool.}. 



filiciform (fills'iform) a. [L. filix, 

 fern ; forma, shape.] Shaped like 

 the frond of a fern (bot.}. 



fllicoid (fil'Ikoid) a. [L. filix, fern; 

 Gk. eidos, like.] Shaped like or 

 resembling a fern (bot.}. 



filiform (ffliform) a. [L. filum, 

 thread ; forma, shape.] Thread- 

 like. 



