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LABORATORY BACTERIOLOGY 
2. Gelatin stab cultures. Nonliquefying line of puncture. 
3. Gelatin stab culture. Liquefying line of puncture. 
Filiform : uniform growth, without special character. 
Nodose : consisting of closely aggregated colonies. 
Beaded: consisting of loosely placed or disjointed colonies. 
Pafpillate: beset with papillate extensions. 
Echinate: beset with acicular extensions. 
Villous : beset with short, undivided, hairlike extensions. 
Plumose: a delicate feathery growth. 
Arborescent: branched, or treelike, beset with branched 
hairlike extensions. 
Crateriform: a saucer-shaped liquefaction of the gelatin. 
Saccate: shape of an elongated sack, tubular, cylindrical. 
Infundibuliform: shape of a funnel, conical. 
Napiform ; shape of a turnip. 
Fusiform : outline of a parsnip, narrow at either end, broad- 
est below the surface. 
Stratiform : liquefaction extending to the walls of the tube 
and downward horizontally. 
