AMP- 



12 



AMP- 



amphibollc (am'fibol'ik) a. [Gk. 

 amphi, both ; ballein, to throw.] 

 Capable of turning backwards or 

 forwards, as the outer toe of certain 

 birds (zool.). 



ainphlcarpous (am'fikar'pus) a. [Gk. 

 amphi, both ; karpos, fruit.] Pro- 

 ducing fruit of two kinds (bot.). 



ampbicoelous (am'fise'lus) a. [Gk. 

 amphi, both ; koilos, hollow.] Con- 

 cave on both surfaces ; appl. verte- 

 brae with the anterior and posterior 

 surfaces of the centra hollow (zoo/.}. 



amphicondylous (am'fikon'dilus) a. 

 [Gk. amphi, both ; kondylos, knob.] 

 Having two occipital condyles 

 (zool.). 



amphidisc (am'fidisk) n. [Gk. amphi, 

 both ; diskos, round plate.] Grapnel- 

 shaped spicules protecting the 

 gemmules of some freshwater 

 sponges (zoo/.). 



amphigastria (am'figas'tria) n. plu. 

 [Gk. amphi, both ; gaster, stomach.] 

 Ventral rudimentary leaves of 

 foliose liverworts (dot.). 



amphigony (amfig'oni) n. [Gk. 

 amphi, both ; gonos, offspring.] 

 Sporogony or reproduction in- 

 volving two individuals ; cf. mono- 

 gony (zool. ). 



amphikaryon (am'fikar'ion) n. [Gk. 

 amphi, both ; karyon, nut.] An 

 amphinucleus, a type of nucleus 

 characterized by a large karyo- 

 some, in reference to the supposed 

 encapsuling of the kinetic nucleus 

 by the trophic nucleus (cyt.). 



amphimixis (am'fimlk'sis) n. [Gk. 

 amphi, both ; mixis, mingling.] 

 The mingling of paternal and 

 maternal characteristics by the 

 union of the male and female 

 pronucleus in fertilization (biol.). 



amphiodont (am'ftodont) n. [Gk. 

 amphi, both ; odous, tooth.] Appl. 

 an intermediate state of mandible 

 development in stag-beetles (zool.). 



amphiont (am'fiSnt) n. [Gk. amphi, 

 both ; on, being.] A zygote or 

 sporont formed by the coming 

 together of two individuals (zool.). 



amphiplatyan (am'fiplat'ian) a. [Gk. 

 amphi, both ; platys, flat.] Flat 

 on both ends ; appl. centra of 

 vertebrae (zool.). 



amphipneustous (am'flpnus'tus) a. 



[Gk. amphi, both ; pnein, to 

 breathe.] Having both gills and 

 lungs throughout the life-history ; 

 also appl. the condition in most 

 dipterous larvae of an open anterior 

 and posterior pair of spiracles with 

 the intermediate pairs closed (zool.). 



amphipodous (amfip'odus) a. [Gk. 

 amphi, both ; pous, foot.] From 

 Amphipoda, an order of Crustacea, 

 of which the anterior three pairs 

 of abdominal appendages are more 

 strongly developed for swimming, 

 the remaining three pairs being 

 adaptedforjumping, hence, having 

 feet both for walking and for 

 swimming (zool.). 



amphipyrenin (am'fiplre'mn) n. [Gk. 

 amphi, both ; Pyren, stone of a 

 fruit] The substance of which 

 the nuclear membrane in a cell is 

 composed (biol.). 



ampb.irb.inal (am'firl'nal) a. [Gk. 

 amphi, both ; rhis, nose.] Having 

 two nostrils (zool.). 



amphisarca (am'ffsar'ka) n. [Gk. 

 amphi, both ; sarx, flesh.] A 

 superior indehiscent many-seeded 

 fruit with pulpy interior and woody 

 exterior (bot.). 



amphispermous (am'fispSr'mus) a. 

 [Gk. amphi, both ; sperma, seed.] 

 Having the seed closely surrounded 

 by the pericarp (bot.). 



ampbispore (am'fispor') n. [Gk. 

 amphi, both ; sporos, seed.] A 

 reproductive spore which functions 

 as a resting spore in certain Algae 

 (bot.). 



ampbisternous (am'fisteYnus) a. [Gk. 

 amphi, both ; sternon, the breast.] 

 Appl. a type of sternum structure 

 in the Atelostomata (zool.). 



amphistomatic (am'fistomat'ik) a. 

 [Gk. amphi, both ; stoma, mouth.] 

 Having stomata on both surfaces, 

 appl. certain types of leaves (bot.). 



amphistomous (amfis'tomus) a. [Gk. 

 amphi, both ; stoma, mouth.] Hav- 

 ing a sucker at each end of the 

 body, as in certain worms (zool.). 



amphistylic (am'fistil'ik) a. [Gk. 

 amphi, both ; stylos, pillar.] Hav- 

 ing the lower jaw connected with 

 the skull by both hypid and quad- 

 rate, or by both hyoid and palato- 

 quadrate (zool.). 



