SYN- 



319 



SYS- 



synergetic (singrjeYlk), synergic 

 (smSr'jik) a. [Gk. synergos, a co- 

 operator.] Operating together ; 

 appl. muscles which combine with 

 "prime movers" and "fixation 

 muscles " in movement (anat.). 



synergid (smeYjid) n., sinergidae 

 (sineYjide) plu. [Gk. synergos, co- 

 operating.] Two help-cells lying 

 beside the ovum at the micropylar 

 end of the embryo sac of an ovule 

 (dot.). 



syngamy (sTn'gami) n. [Gk. syn, 

 with ; gainos, marriage.] Compre- 

 hensively, sexual union. 



syngenesious (sm'jgne'sius) a. [Gk. 

 syn, with ; genesis, descent.] Hav- 

 ing the stamens united in a cylin- 

 drical form by the anthers (dot.}. 



syngenesis (slnjgn'e'sis) n. [Gk. syn, 

 with ; genesis, descent.] Sexual 

 reproduction ; the theory that the 

 germs of all human beings, past, 

 present, and future, were created 

 simultaneously, and that there are 

 germs within germs ad infinitum 

 (biol.\ 



syngenetic (sin'jgnet'ik) a. [Gk. syn, 

 with ; genesis, descent.] Sexually 

 reproduced (biol.). 



syngnaths (sm'gnaths) n. plu. [Gk. 

 syn, with ; gnathos, jaw.] Paired 

 jaws or mouth-plates of Stelleroids 

 (zool.). 



synkaryon (sinkar'Ion) n. [Gk. syn, 

 with ; karyon, a nut.] The nucleus 

 resulting from fusion of pronuclei 

 in the zygote. 



synochreate, see synocreate. 



synocreate (sinok'reat) a. [Gk. syn, 

 with ; L. ocrea, legging.] With 

 stipules united, enclosing the stem 

 in a sheath (bot.). 



synoecious (stne'shus), synoicous 

 (sinoik'iis) a. [Gk. syn, with ; oikos, 

 house.] Having antheridia and 

 archegonia on the same receptacle, 

 or stamens and pistils on the same 

 flov/er (dot.). 



synosteosis or synostosis, anchy- 

 losis. 



synotic tec turn, a cartilaginous arch 

 between the otic capsules repre- 

 senting the cartilaginous roof of 

 higher vertebrates (emb.). 



synovia (stno'vla) n. [Gk. syn, with ; 

 L. ovum, egg.] The thick, viscid, 



glairy secretion of the synovial 

 membrane (anat.). 



synovial membrane, the inner 

 stratum of the articular capsule, a 

 delicate connective tissue secreting 

 a fluid for keeping joints moist 

 (anat.). 



synoviparous (sin'dvip'arus) a. [Gk. 

 syn, with ; L. ovum, egg ; parere, 

 to beget.] Secreting synovia 

 (phys.). 



synpelmous (sfnpeTmus) a. [Gk. syn, 

 with ; pelma, sole.] Having the 

 two tendons to the toes united 

 before they divide up to go to the 

 separate digits (zool.). 



synsacrum (smsa'krum) n. [Gk. syn, 

 with ; L. sacrum, sacred.] A mass 

 of fused vertebrae supporting the 

 pelvic girdle of Birds (zoo!.). 



synsepalous (sinsep'alus) a. [Gk. syn, 

 with ; sepalon, a sepal.] With calyx 

 composed of fused or united sepals 



(*4 



synspennous (sinspeVmus) a. [Gk. 

 syn, with ; sperma, seed.] Having 

 several seeds united (oot.). 



synsporous (sinspo'rus) a. [Gk. syn, 

 with ; sporos, seed.] Propagating 

 by cell conjugation, as in Algae 

 (dot.). 



syntechnlc (smteVnik) n. [Gk. syn, 

 with ; techne, skill.] Resemblance 

 in unrelated animals, due to en- 

 vironment. 



syntenosis (sTntfino'sis) n. [Gk. syn, 

 with ; tenon, sinew.] Tendinous 

 articulation. 



syrlngeal (sMn'jeal) a. [Gk. syringx, 

 a pipe.] Pert, the syrinx (zool.). 



syringium (slrln'jTum) n. [Gk. 

 syringx, a pipe.] A syringe-like 

 organ of some Insects for the ejec- 

 tion of a disagreeable fluid (zool.). 



syrinx (str'ingks) n. [Gk. syringx, a 

 pipe.] The vocal organ of Birds at 

 the base of the trachea (zool.). 



systemic heart, the heart of in- 

 vertebrates, and the auricle and 

 ventricle of the left side of the 

 heart of higher vertebrates ; opp. 

 respiratory heart. 



systilius (slstll'fus) n. [Gk. syn, 

 with ; stylos, a column.] The 

 columella-lid of some Mosses (dot.). 



systole (sls'tole) n. [Gk. systole, a 

 drawing together.] The contraction 



