GLOSSARY OF TERMS 



amoeboid, assuming various shapes 

 like an amoeba. 



amorphous, without visible differ- 

 entiation in structure. 



arborescent, a branched, tree-like 

 growth. 



beaded, in stab or stroke, dis- 

 jointed or semiconfluent col- 

 onies along the line of 

 inoculation. 



brittle, growth dry, friable un- 

 der the platinum needle. 



bullate, growth rising in convex 

 prominences, like a blistered 

 surface. 



butyrous, growth of a butter-like 

 consistency. 



chains, short chains, composed of 

 2-8 elements; long chains, com- 

 posed of more than 8 elements. 



ciliate, having fine, hair-like ex- 

 tensions, like cilia. 



cloudy, said of fluid cultures 

 which do not contain pseudo- 

 zoogloese. 



coagulation, the separation of 

 casein from w r hey in milk. 

 This may take place quickly 

 or slowly, and as the result 

 either of the formation of an 

 acid or of a lab ferment. 



contoured, an irregular, smoothly 

 undulating surface, like that 

 of a relief map. 



convex, surface the segment of a 

 circle, but flattened. 



coprophyl, dung bacteria. 



coriaceous, growth tough, leath- 

 ery, not yielding to the plati- 

 num needle. 



crater iform, round, depressed, due 

 to the liquefaction of the me- 

 dium. 



cretaceous, growth opaque and 

 white, chalky. 



curled, composed of parallel chains 

 in wavy strands, as in anthrax 

 colonies. 



diastasic action (same as diastatic) , 

 conversion of starch into water- 

 soluble substances by diastase. 



echinulate, in agar stroke a 

 growth along line of inocula- 

 tion, with toothed or pointed 

 margins ; in stab cultures, 

 growth beset with pointed out- 

 growths. 



effuse, growth thin, veily, unu- 

 sually spreading. 



entire, smooth, having a margin 

 destitute of teeth or notches. 



erose, border irregularly toothed. 



filamentous, growth composed of 

 long, irregularly placed or in- 

 terwoven filaments. 



filiform, in stroke or stab cultures 

 a uniform growth along line 

 of inoculation. 



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