Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

884Maggenti and Gardnergether. 2. Synapsis. 3. A membrane connecting two separateparts permitting movement between them.syndiacony n. [Gr. syn, together; diakonos, servant] (ARTHRO:Insecta) A form of commensalism between ants and plantswith both obtaining benefit.syndrome n. [Gr. syn, together; dramein, to run] Signs andsymptoms characteristic of a particular disease.synecete see synoeketesynechthran n. [Gr. syn, together; echtos, hate] An insectguest that is persecuted by its host, and manages to stayalive by greater speed and agility or the use of defensivemechanisms; an animal engaged in synechthry. see metochy.synechthry n. [Gr. syn, together; echtos, hate] The relationshipbetween a symbiont, generally a scavenger, parasiteor predator, that is treated in a hostile manner by the host;metochy.synecology n. [Gr. syn, together, oikos, household; logos, discourse]The relationship of populations and communities tobiotic factors in the environment. see autecology.synectic a. [Gr. syn, together; nektikos, habitual] Pertaining tocells that retain their relative position during gastrulation.synergism n. [Gr. synergos, associate] The cooperative actionof two entities to effect a greater difference than both together,i.e., hormones, parasites, muscles. synergistic a.syngamy n. [Gr. syn, together; gamos, marriage] 1. Union ofmale and female gametes following fertilization to form azygote; gametogamy; hylogamy. see pseudogamy. 2.Permanent union of both female and male reproductiveunits; male element sometimes greatly reduced and parasiticin the female.syngenesis n. [Gr. syn, together; genesis, beginning] 1. Reproductionbetween two sexually dimorphic parents; sexualreproduction. 2. The theory that the germ of the offspringis derived from both parents, not from either alone.syngenic see isogenicsyngonic a. [Gr. syn, together; gone, seed] The production of