GLOSSARY OF TERMS USED OR USEFUL 

 IN DESCRIPTIVE BACTERIOLOGY 



Abnormal, differing from usual form. 

 Aborescent, branched, or treelike. 



Achromatic, not readily colored by the usual staining methods. 

 Acrogenous, produced at the summit. 



Actinomorphic, symmetrical ; capable of bisection by planes into halves identi- 

 cal in form. 

 Aculeate, beset with sharp points or prickles. 

 Acute, ending in a distinct angle. 

 Aerobia, organisms which grow in the presence of air or free oxygen. 



' r clustered or growing together, but not cohering. 



Alveolate, pitted so as to resemble a honey comb. Fig. 12, C. 

 Ameboid, assuming various shapes, like Amoeba. Fig. 10, B. 

 Amorphous, without any definite structure. 



Anaerobia, organisms which will not grow in the presence of air or free oxygen. 

 Anaerobiotic, the property of not growing in the presence of air or free oxygen. 

 Anastomosing, connected by transverse branches, forming a more or less per- 

 fect net work. 

 Antizymotic, preventing or checking fermentation. 

 Applanate, flattened, or horizontally expanded. 

 Arcuate, curved like a bow. 



Areola (pi. areolae), an area or small space with more or less definite boundaries. 

 Areolate, divided into areolae. 

 Aromatic, having a pleasant odor, spicy, alcoholic. 

 Aseptic, not liable to putrefaction. 

 Auriculate, having auricles, earlike lobes or appendages. Fig. 13, e. 



Biogenous, growing, living organisms. 



Bion, an individual morphologically and physiologically independent. 



Brunneus, deep brown. 



Bullate, blistered, rising in convex prominences. 



Butyrous, translucent and yellow. 



Calcareous, of a dull, chalk-white color. 

 Canescent, hoary or gray. 



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