ANA- 



14 



AND- 



different plants or animals with 

 similar function but of dissimilar 

 origin (biol.}. 



anamorphosis (an'amor'fosis) n. [Gk. 

 ana, again ; morphe, form.] The 

 evolution from one type to another 

 through a long series of gradual 

 changes (biol.}. 



anangian (anan'jian) a. [Gk. a, 

 without ; anggeion, vessel.] Appl. 

 worms without a vascular system. 

 (zool.}. 



anaphase (an'afaz) n. [Gk. ana, up ; 

 phasis, appearance.] A stage in 

 mitosis during the divergence of 

 the daughter-chromosomes (biol.}. 



anaphylaxis (an'afilak'sis) . [Gk. 

 ana, up ; phylax, guard.] Con- 

 dition of being hypersensitive to a 

 serum, caused by the first or sensi- 

 tizing dose (phys.}. 



anapophysis (an'apofisis) n. [Gk. 

 ana, up ; apo, from ; phyein, to 

 grow.] A small dorsal projection 

 rising near the transverse processes 

 in lumbar vertebrae (anat.}. 



anarthrous (anar'thrus) a. [Gk. a, 

 without ; arthron, joint.] Having 

 no distinct joints (zool.}. 



anastates (an'astats) n. plu. [Gk. 

 ana, up ; stanein, to make to 

 stand.] The various materials 

 that arise owing to metabolism in 

 a cell, in the formation of complex 

 from simple substances (biol.}. 



anastomosis (anas'tomo'sis) n. [Gk. 

 ana, up ; stoma, mouth.] Union of 

 ramifications of the leaf- veins (bot.} ; 

 union of blood-vessels arising from 

 a common trunk ; union of nerves ; 

 formation of a network or mesh- 

 work (anat.}. 



anatomy (anat'omi) n. [Gk. ana, up ; 

 tome, cutting.] The science that 

 treats of the structure of plants and 

 of animals ; the structure of a plant 

 or of an animal. 



anatriaene (an'atrl'en) n. [Gk. ana, 

 up ; triaina, a trident.] A triaene 

 with backwardly directed cladi or 

 branches (zool.}. 



anatropal (anat'ropal), anatropous 

 (anat'ropus) a. [Gk. ana, up ; 

 trepein, to turn.] Inverted, appl. 

 ovules with the hilum and micro- 

 pyle close together and the chalaza 

 at the other end (bot.). 



anaxial (anak'sial) a. [Gk. a, with- 

 out; axis, axis.] Having no distinct 

 axis (biol.}. 



anchor (ang'kor) n. [L. ancora, 

 anchor.] The anchor - shaped 

 spicule found in the skin of Holo- 

 thurians (zool.}. 



anchylosis (ang'kilo'sis) n. [Gk. 

 angkylosis, stiffness.] The union 

 of two or more bones or hard parts 

 to form one part, e.g. of bone to 

 bone, or tooth to bone (zool.}. 



anconeal (angko'neal) a. [L. ancon, 

 elbow.] Pert, the elbow (anat.}. 



anconeus (ang'kone'us) n. [L. ancon, 

 elbow.] Small extensor muscle 

 situated over the elbow (anat.}. 



androconia (an'droko'nia) n. plu. 

 [Gk. aner, man ; konia, dust.] 

 Modified wing-scales producing a 

 sexually attractive scent in certain 

 butterflies (zool.}. 



androdioecious (an'drodle'shus) a. 

 [Gk. aner, man ; dis, two ; oikos, 

 house.] Having perfect male flowers 

 on different plants (bot.). 



androecium (andre'shuim) n. [Gk. 

 aner, man ; oikos, house.] The 

 male reproducing organs of a 

 plant ; the stamens taken col- 

 lectively (bot.}. 



androgonidia (an'drogomd'ia) n. plu. 

 [Gk. aner, man ; gonos, offspring.] 

 Male sexual elements formed after 

 repeated divisions of partheno- 

 gonidia of volvox (sool.}. 



androgynal (androj'Inal), a. [Gk. 

 aner, man ; gyne, woman.] Her- 

 maphrodite; bearing bothstaminate 

 and pistillate flowers in the same 

 bunch (bot.}. 



androgynary (andrqj'inari) a. Having 

 flowers with stamens and pistils 

 developed into petals (bot.}. 



androgynism (andrqj'imzm) n. [Gk. 

 aner, man ; gyne, woman.] The 

 condition of bearing both stamens 

 and pistils ; hermaphroditism (bot.}. 



androgynous (androj'inus), andro- 

 gynal. 



androphore (an'drofor) n. [Gk. aner, 

 man ; pherein, to carry.] Stalk 

 supporting the stamens (bot.} ; the 

 stalk carrying the male gonophores 

 in the Siphonophora (zool.}. 



androphyll (an'drofil) n. [Gk. aner, 

 man ; phyllon, leaf.] The leaf 



