AMO 



17 



AMP 



amorphous, a., am-8rf'us (Gr. a, 

 without ; morphe, form or shape), 

 having no regular structure or 

 definite form : amorphism, n., 

 dm-drf'izm, a condition of shape- 

 lessness : amorphophyte, n., -o-fit 

 (Gr. phuton, a plant), a plant 

 that has irregular or anomalous 

 flowers. 



amorphozoa, n. plu. , am-orf'dz-d'a 

 (Gr. a, without ; morplie, shape ; 

 zoon, an animal), a name some- 

 times used to designate .the 

 sponges : amorphozous, a., dm'- 

 drj-Gz'us, designating animals 

 without determinate shape. 



ampelidese, n. plu*, dm'p$l-id'$-e 

 (Gr. ampelos, the vine plant ; 

 ampelis, a small vine, ampelidos, 

 of a small vine), the vine family.; 

 also called the 'Vitacese': am- 

 pelopsis, n., dm'pel-ops'-is (Gr. 

 opsis, appearance), certain plants 

 which resemble the vine ; the 

 Virginian creeper, cultivated as a 

 climbing plant. 



amphiarthrosis, n. ,dm'f$-dr'thrdz' 

 is (Gr. amphi, about, on .both 

 sides ; arthrosis, articulation 

 from arthron, a joint), a mixed 

 articulation with obscure and 

 limited motion, of \yhich we have 

 examples in the limited motion of 

 the vertebrae. 



amphibia, n. plu., dm-fib'i-d, also 

 amphibians, n. plu., -l-dnz (Gr. 

 amphi, both, on both sides ; bios, 

 life), animals that can live either 

 on land or in water, as frogs, 

 newts, and the like, which have 

 gills when young, but breathe air 

 directly when in the adult state : 

 amphibial, a., and amphibian, 

 a., pert, to: amphibious, a., -i-us, 

 able to live on land or in water. 



amphicaelous, a., dm'-fi-sel'-us (Gr. 

 amphi, on both sides ; koilos, 

 hollow), applied to vertebrae 

 which are concave at both ends. 



amphicarpous, a., am'-fi-karp'-tis 

 (Gr. amphi, both ; Jcarpos, fruit), 

 possessing two kinds of fruit. 



amphidiscs, n. plu., dm'-fi- disks 

 



(Gr. amphi, on both sides ; 

 diskos, L. discus, a quoit, a disc), 

 the spicula which surround the 

 gemmules of Spongilla, and re- 

 semble two toothed wheels united 

 by an axil. 



amphigamse, n. plu., dm-yig'-dm-e 

 (Gr. amphi, on both sides ; 

 gamos, marriage), a Sub-ord. of 

 the ; 0rd. Hepaticse, plants whose 

 fructification is unknow r n, and 

 which may therefore be of both 

 sexes: amphigameous, a., dm-fi- 

 gdm'-e'US) designating plants 

 whose fructification has not yet 

 been ascertained. 



amphigastria, n. plu., dm'fi-gas' 

 tri'd (Gr. amphi, both ; g aster, 

 the belly), the scale-like stipules 

 of mosses. 



amphigenous, a,, dm'fidf-en-us 

 (Gr. amphi, both ; genndo, I 

 produce), applied to Fungi when 

 the hymenium is not restricted to 

 any particular surface. 



amphioxus, n., am'-fi-Sks'-us (Gr. 

 amphi, on both sides ; oxus, 

 sharp, pointed), the lancelet, a 

 little fish, which itself alone con- 

 stitutes the Ord. Pharyngobran- 

 chii. 



amphipneusta, n. plu., dm<fip> 

 nust'-d (Gr. amphi, on both 

 sides ; pneusis, breathing, res- 

 piration), applied to those am- 

 phibians which retain their gills 

 along with their lungs, through 

 life : amphipneustous, a., -nust'- 

 us, having both branchiae and 

 lungs as organs of respiration. 



amphipoda, n. plu.,, am-fip'tid-d 

 (Gr. amphi, on both sides; pous, 

 a foot, podos, of a foot), an Ord. 

 of Crustaceae which have feet on 

 both sides, directed partly for- 

 wards and partly backwards, as 

 feet for both walking and swim- 

 ming i amphipodous, a., dm- 



fip'-od-us, having feet on both 

 sides. 



amphisarca, n., dm'-fi-sdrlc'-d^T. 

 amphi, on both sides ; sarx, 

 flesh, sarkos t of flesh), an inde- 



