EXP- 



102 



EXT- 



exo, without ; trepein, to turn.] The 

 curvature away from the axis, ex- 

 hibited by a laterally geotropic 

 organ (bot.}. 



expiration (ek'spira'shun) n. [L. ex, 

 out ; spirare, to breathe.] The act 

 of emitting air from the lungs ; the 

 act of emitting volatile substances 

 from the lungs, or from any internal 

 cavity (phys.}. 



exsculptate (ekskiilp'tat) a. [L. ex, 

 out ; sculpere, to carve.] Having 

 the surface marked with more or 

 less regularly arranged raised lines 

 with grooves between (sool.}. 



exscutellate (ek'skutel'at) a. [L. ex, 

 without ; scutellum, shield.] Hav- 

 ing no scutellum ; appl. Insects 

 (zool.}. 



exserted (ekseYted) a. [L. exserere, 

 to stretch out.] Protruding ; appl. 

 stamens which project beyond the 

 corolla (bot.} ; protruding beyond 

 some including organ or part 

 (zool.}. 



exsertile (eksgr'til) a. [L. exserere, 

 to stretch out.] Capable of extru- 

 sion (biol.}. 



exsufflation (eks'sufla'shun) n. [L. 

 ex, out ; sufflare, to blow.] Forced 

 expiration from the lungs (phys.}. 



extend (Skstfind') v. [L. ex, out ; 

 tendere, to stretch.] To straighten 

 out, as opp. to flex or bend any 

 organ (phys.}. 



extension (elcstgn'shiin) n. [L. ex, 

 out; tendere, to stretch.] Straighten- 

 ing out of an organ (phys.}. 



extensor (ekstgn'sor) n. [L. ex, out ; 

 tendere, to stretch.] Any muscle 

 which extends a limb or part there- 

 of (anat.). 



exterior (gkste'rior) a. [L. externus, 

 on the outside.] Situated on the 

 side away from the axis or definitive 

 plane (biol.}. 



external (gkster'nal) a. [L. externus, 

 outside.] Near the outside, away 

 from the mesial plane (anat.}. 



extine (ek'stin) n. [L. exter, on the 

 outside.] The outer coat of the 

 pollen grain (bot.}. 



extra-axillary (eVstra-aksTl'arl) a. [L. 

 exter, outside ; axilla, armpit.] 

 Arising above the axil of a leaf, 

 said of branches which develop 

 from the upper bud when there 



are more than one in connection 

 with the axil (bot.}. 



extrabranchial (ek'strabrang'kfal) a. 

 [L. exter, outside ; Gk. brangchia, 

 gills.] Arising outside the branchial 

 arches (zoo!.}. 



extracapsular (Sk'strakap'sular) a. 

 [L. exter, outside ; capsida, cup.] 

 Arising or situated outside the 

 capsule; appl. ligaments, etc., in 

 connection with a joint (anat.} ; 

 appl. protoplasm lying outside the 

 central capsule in some Protozoa 

 (zool.}. 



extracellular (ek'straseTular) a. [L. 

 exter, outside ; cellula, little cell.] 

 Occurring outside the cell (biol.}. 



extraembryonic (eVstraem'brion'ik) 

 a. [L. exter, outside ; Gk. embryon, 

 foetus.] Situated outside the em- 

 bryo proper (emb.}. 



extraenteric (ek'straenter'ik) a. [L. 

 exter, outside ; Gk. enteron, gut.] 

 Outside the alimentary tract 

 (zool.}. 



extrafloral (ek'straflo'ral) a. [L. 

 exter, outside ; flos, flower.] Situ- 

 ated outside the flower (bot.}. 



extranuclear (ek'stranu'klear) a. [L. 

 exter, outside ; nucleus, nucleus.] 

 Pert, structures or forces acting 

 outside the nucleus ; situated out- 

 side the nucleus (biol.}. 



extraocular (ek'straok'ular) a. [L. 

 exter, outside ; cculus, eye.] Ex- 

 terior to the eye ; appl. antennae 

 of Insects (zool.}. 



extrastapedial (ek'strastape'dlal) a. 

 [L. exter, outside ; stapes, stirrup.] 

 Extending beyond the stapedio- 

 columellar junction (anat.}. 



extrastelar (6k'straste'lar) a. [L. 

 exter, outside ; Gk. stele, column.] 

 Pert, ground tissue outside the 

 vascular tissue (bot.}. 



extravaginal (ek'stravaj'inal) a. [L. 

 exter, outside ; vagina, sheath.] 

 Forcing their way through the 

 sheath, as the shoots of many 

 plants (bot.}. 



extravasate (ekstrav'asat) v. [L. 

 exter, outside ; vas, vessel.] To 

 force its way from the proper 

 channel into the surrounding tissue; 

 said of blood, etc. (phys.}. 



extraventricular (gk'strdvgntrik'ular) 

 a. [L. exter, outside ; -venter, 



