EXERCISE LXXX. MICROCOCCUS INTRACELLULARIS (Weichselbaum) Mig. 



DIPLOCOOCUS OF CEREBRO-SPINAL MENINGITIS. 



First described in 1887 by Weichselbaum. It is found in the meningeal exudate of certain cases of epidemic cerebro-spinal menin- 

 gitis and in nasal secretions in a number of cases. 



REFERENCES. Weichselbaum: Fortschritte der Medicine, 1887; Councilman : Rept. Mass. State B. of H. 1898; A. 285; H. 138; M. & 

 R. 172; M. & W. 135; P. 516; S. 310. 



PHYSIOLOGICAL CHARACTERS. 



i. Relation to temperature : 



a. Relation to free oxygen: 



3. Relation to other agents, such as: 



desiccation, light, disinfectants, etc.: 



4. Pigment production: 



5. Gas production in glucose media: 



a. Shake culture 



*. Fermentation tube, growth in: (i) open arm: 



(3) rate of development: 14 hours percent.. 48 hours 



(4) reaction in open arm: 



6. Acid or alkali production, litmus milk 



~. Reduction of nitrates; to nitrites 



8. Indol production; 24 hours 48 hours 



fecal odor; 24 hours 48 hours 



9. Enzyme production : proteolytic 



....(21 closed arm: 



percent., 72 hours per cent hours per cent. 



..(5) gas formula, H : CO Z :: : 



, to ammonia . 



. days. 

 . days. 



. diastatic. 



10. Characteristic odor. 



11. Pathogenesis 



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