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103 



FAL- 



belly.] Situated or arising beyond 

 the ventricle (phys.). 



extremity (e'kstre'm'iti) n. [L. ex- 

 tremitas, limit.] The limb, or 

 distal portion of a limb ; or the 

 distal end of any limb-like structure 

 (biol., anat.). 



extrinsic (gkstrin'sik) a. [L. ex- 

 frinsecus, on the outside.] Pert. 

 muscles not wholly within the part 

 (anat.). 



extrorse (Skstrors') a. [L. extrorsus, 

 outwardly.] Turned away from the 

 axis (hot.}. 



exudation (ek'suda'shun) n. [L. 

 exudere, to sweat.] Any discharge 

 through an incision or pore, e.g. 

 gums, resins, moisture, etc. (biol.). 



exumbral (gksiim'bral) a. [L. ex; 

 out ; umbra, shade.] Pert, the 

 rounded or convex upper surface 

 of a jelly-fish (zoo/.). 



exumbrella (ek'sumbreTa) n. [L. ex, 

 out ; umbra, shade.] The upper 

 rounded or convex surface of a 

 jelly-fish (goal.). 



exuviae (egzu'vle) n.plu. [L. exuere, 

 to pull off.] Cast-off skins, etc., 

 of animals (zoo/.). 



eye (I) n. [M.E. ighe^\ The organ 

 of sight or vision ; one of the 

 pigment spots in various animals 

 and in many of the lower plants 

 (biol.) ; the bud of a tuber (dot.). 



eye-ball, the globular capsule of the 

 vertebrate eye ; also the capsule 

 and its contents. 



eye spots, certain pigment spots in 

 many of the lower plants and 

 animals, and also in some verte- 

 brates, which are supposed to have 

 an ocular function (biol.). 



P!, us^d for convenience to denote the 

 first filial generation, or the hybrids 

 arising from a first cross, successive 

 generations arising from this one 

 being denoted by F^ F 3 , etc. P t 

 denotes the parents of the F t 

 generation, P 2 the grandparents, 

 and so on (biol.}. 



fabella (fabel'a) n. [L. fat>e//<i t small 



bean.] A small fibro-cartilage 

 ossified in the gastrocnemius (anaf.). 



fabiform (fa'blform) a. [L.faba, bean ; 

 forma, shape.] Bean-shaped. 



Pabrician system, a classification of 

 thearthropoda based on the anatomy 

 of the mouth parts (zoo/.). 



facet (fas'et) n. [L. fades, face.] A 

 smooth, flat, or rounded surface for 

 articulation (anat.) ; an ocellus 

 (zoo/.). 



facial (fa'shal) a. [L. fades, face.] 

 Pert, face; appl. artery, nerve, bone, 

 vein, etc. (anaf.). 



faciolingual (fa'shloling'gwal) a. [L. 

 fades, face ; lingua, tongue.] Pert. 

 or affecting the face and tongue 

 (anaf.). 



facultative (fak'ulta'tiv) a. [L.facu/tas, 

 faculty.] Having the power of 

 living under different conditions 

 (biol.-). 



facultative parasites, parasites 

 which may be normally self-depend- 

 ent, but which are adaptable to 

 parasitic or semiparasitic mode of 

 life ; cf. obligatory parasites (biol.). 



faeces (fe'sez) n. plu. [L. faeces, dregs.] 

 The excrement or waste matter from 

 the bowels (anaf.). 



falcate (fal'kat) a. [L. falx, sickle.] 

 Sickle-shaped ; hooked (biol.). 



falciform (fal'slform) a. [L. falx, 

 sickle ; forma, shape.] Sickle- 

 shaped or scythe-shaped (anaf., 

 zoo/.). 



falciform ligament, a dorso-ventral 

 fold of the peritoneum, attached to 

 under surface of diaphragm and 

 the anterior and upper surfaces of 

 the liver (anaf.). 



falcula (lal'kula) n. [L.falcula, little 

 hook.] A curved scythe-like claw 

 (zoo!.). 



falculate (fal'kulat) a. [L. falcula, 

 little hook.] Curved, and sharp at 

 the point. 



Fallopian tubes (falo'pian), the upper 

 portions of the oviduct in man and 

 mammals ; the anterior portions of 

 the Miillerian ducts (anaf.). 



false ribs, -those ribs whose carti- 

 laginous ventral ends do not join 

 the sternum directly, if at all (anaf.). 



falx (falks) n., falces (fal'sez) plu. 

 [L. fair, sickle.] A sickle-shaped 

 fold of the dura mater (ana/.). 



