tjgopteroid 



Zythoiymaie 



zygopt'eroid (elSoy, resemblance) ; 

 sygopteride'an, resembling or allied 

 to Zygopteris. 



Zygo'»iB {(vyhst a yoke), M*Nab'8 term 

 for the union of gametes to form 

 a zygote ; Zy'goiperm ((rx^p/ta, a 

 seed), a proposed emendation of 

 Zygospore ; Zy'gosphere {ff(pcupa, 

 a sphere) = Gamete ; Zy'goipore 

 {airoph, a seed), a body produced 

 by the coalescenct of two similar 

 gametes ; Zygospor'ophore {+Sporo- 

 phore), the suspensor in Mucorini ; 

 Zyroto'ina, Zygosom'es, pi. {(r«/to, a 

 body), bodies formed by the union 

 of gamosomes in pairs, becoming bi- 

 valent chromosomes ; Zygotaot'lBin, 

 the mutual attraction of sexual 

 hyphae for each other; Zygotax'ii 

 {r^is, order), arrangement by sexual 

 pairs ; the pairing attraction ; zy'go- 

 tene, applied to a nucleus containing 

 a Zygonema. 



Zy'got* (C^yurhs, yoked), (1) a body 

 produced by fertilization or conjuga- 

 tion of two gametes ; (2) by Bateson 

 extended to denote the individual 

 which develops by somatic divisions 

 from the cell resulting from the 

 gametic union ; adj. zygo'tio ; 



Zy'gotoid {eUos, like), the result of 

 the union of two gametoids, that is, 

 apocytial structures, as in Mucor 

 (Hartog). 



Zygozo^ospore iCyy^s, a yoke, -f Zoo- 

 spore), a motile zygospore. 



Zy'mase {Cvfiij, leaven), (1) formerly 

 applied to the whole group of 

 ferments ; (2) an enzyme occurring 

 in yeast; cf. Anthozymase, ana 

 Zythozymase; zy'mie, relating to 

 fermentation ; Zy^'mogen {y€v$'dw, 

 I produce), the "mother of fer- 

 mentation," an antecedent body of 

 an enzyme ; zymogen'io, applied to 

 a peptonizing enzyme ; Zymohydro- 

 TyBis {Siup, water ; Auo-iy, a loosing), 

 fermentation induced by the ab- 

 sorption of water ; Zymol^ysis, 

 decomposition by the action of 

 feiTuents; Zy'xnom or Zjr'mome, 

 one of the proximate principles 

 of wheat-gluten, cf. Glian ; Zy- 

 mo'sii, fermentation ; zymo'tic, (1) 

 relating to fermentation ; (2) ap- 

 plied to diseases dne to infection by 

 germs, with their rapid increase. 



Zythozy'maBe {CvBos, beer, + Zymasr), 

 an enzyme in yeast, also found in 

 certain Fungi. 



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