APO- 



20 



AQU- 



flattened tendons of certain muscles 

 (anat.). 



apophyllous (ap'ofil'us) a. [Gk. apo, 

 away ; phyllon, leaf.] Appl. the 

 parts of a single perianth whorl 

 when they are free leaves (bot.). 



apophysis (apof'isis) n. [Gk. apo, 

 away ; phyein, to grow.] Process 

 from a bone, usually for muscle 

 attachment (anat.) ; a swelling at 

 the base of the capsule in some 

 mosses ; appl. small protuberance 

 at apex of an ovuliferous scale in 

 female cone of pine (bot.). 



apoplasmodial (ap'oplasmo'dial) a. 

 [Gk. apo, away ; plasma, something 

 moulded.] Not forming a typical 

 plasmodium (zool.). 



apopyle (ap'opil) n. [Gk. apo, away ; 

 pyle, gate.] The exhalent pore of 

 a sponge (zool.). 



aposematic (ap'osemat'ik) a. [Gk. 

 apo, away ; sema, signal.] Appl. 

 warning colours which serve to 

 frighten away enemies (zool.). 



aposporogony (ap'osporog'onT) n. 

 [Gk. apo, away ; sporos, seed ; 

 gonos, birth.] The absence of 

 sporogony (zool.). 



apospory (apos'pori) n. [Gk. apo, 

 away ; sporos, seed.] The produc- 

 tion of prothalli without the inter- 

 vention of spore-formation in certain 

 plants (bot.). 



apostasis (apos'tasis) n. [Gk. apo, 

 away ; stasis, standing/] Term 

 appl. condition of abnormal growth 

 of axis which thereby causes a 

 separation of the perianth whorls 

 from one another (bot.). 



apostrophe (apos'trofe) n. [Gk. apo, 

 away ; trepein, to turn.] Arrange- 

 ment of chloroplasts along the 

 lateral walls of cells of leaves 



apothecium (ap'othe'siiim, -shium) n. 

 [Gk. apo, away ; theke, cup.] The 

 ascocarp of Lichens (bot.). 



apotropous (apot'ropus) a. [Gk. apo, 

 away ; trepein, to turn.] Anatropal 

 and with ventrally-situated raphe 

 (bot.). 



appendage (apen'daj) n. [L. ad, to ; 

 pendere, to hang.] An organ or 

 part attached to a trunk, as a limb 

 (anat.). 



appendicula (up'endik'ular) a. [L. 



ad, to ; pendere, to hang.] Pert. 

 appendages; appl. skeleton of limbs 

 as opposed to skeleton of trunk 

 (anat.). 



appendiculate (ap'endlk'ulat) a. [L. 

 ad, to ; pendere, to hang.] Having 

 a small appendage, as a stamen or 

 filament (bot.). 



appendix (apen'diks) n. [L. ad, to ; 

 pendere, to hang.] An outgrowth, 

 especially the vermiform appendix 

 (anat.). 



applanate (ap'lanat) a. [L. ad, to ; 

 planatus, flattened.] Flattened 

 out (bot.). 



apposition (ap'ozish'un) n. [L. ad, to ; 

 ponere, to place.] The formation 

 of successive layers in the growth 

 of a cell wall ; cf. intussusception 

 (bot.). 



aproterodont (ap'roter'b'dont, apro'- 

 terodont) a. [Gk. a, without ; pro- 

 teros, first ; odous, tooth.] Hav- 

 ing no teeth on the pre-maxillae 

 (zool.). 



apteria (apte'ria) n. plu. [Gk. a, with- 

 out; pteron, wing.] Naked or down- 

 covered surfaces between the ptery- 

 lae or feather-tracts (zool.). 

 apterous (ap'terus) a. [Gk. a, with- 

 out ; pteron, wing.J Wingless 

 (zool.) ; having no wing-like ex- 

 pansions on the stems or petioles 

 (bot.). 



apterygial (ap'terij'ial) a. [Gk. a, 

 without ; pteron, wing.] Wingless ; 

 without fins (zool.). 



apterygotous (ap'terigo'tus) a. [Gk. 

 a, without ; pterygion, dim. of pteron, 

 wing.] Resembling or pert, the 

 primitive wingless insects or Aptery- 

 gota (zool.). 



aptychus (ap'tikiis) n. [Gk. a, with- 

 out ; ptyche, fold.] A horny or 

 calcareous structure, possibly an 

 operculum, of Ammonites (zool.). 

 aquatic (akwat'ik, -wot-) a. [L. aqua, 

 water.] Pert, water ; living in or 

 frequenting water (bot., zool.). 

 aqueduct (ak'wedukt) n. [L. aqua, 

 water ; ducere, to lead.] A channel 

 or passage as that of cochlea, and 

 of vestibule of ear (anat.). 

 aqueous (a'kweus) a. [L. aqua, water.] 

 Watery, appl. fluid occupying the 

 space between the lens and the 

 cornea of the eye (anat.) ; appl. 



