EXERCISE 78. DIPLOCOCCUS GROUP. 157 



Micrococcus gonorrhoeae (BAUM) FLUEGGE. 



SYNONYMS. Gonococcus; Diplococcus gonorrhoeae BAUM. 



EXPLANATORY. First described in 1879 by Neisser. It is con- 

 stantly found in gonorrhoeal discharges and may produce disease 

 on any mucous membrane; urethra, bladder, rectum, conjunctiva 

 (causing ophthalmia neonatorum), and even cause arthritis (gonor- 

 rhoeal rheumatism), endocarditis, salpingitis and general septicemia. 



REFERENCES. Neisser, Cent. f. d. Mediz. Wissensch., 1879, 497; 

 Foulerton, Trans. Brit. Inst. of Prev. Med., 1897, 1, 40 ; A. 288 ; 

 C. 72 ; H. 179 ; K. & W. Ill, 148 ; L. & N. 164 ; Mig. 2, 188 ; M. & R. 

 189 ; McF. 275 ; P. 522. 



CULTURE CHARACTERS. 



MORPHOLOGICAL CHARACTERS: 



SKETCHES. 



1. FORM AND ARRANGEMENT: 



a. Bouillon 



6. Agar 



c. Gelatin 



d. Other media, > 



2. SIZE: 



3. STAINING POWERS: 



a. Aqueous gentian- violet. . 

 &. Loeffler's methylen-blue. 



c. Gram's stain 



d. Special stains, 



4. MOTILITY: 



a. Character of movement.. 

 6. Flagella stain 



5. SPORES : 



6. SPECIAL, CHARACTERS: 



a. Capsules 



b. Involution forms ... 



c. Deposits or vacuoles 



d. Pleomorphism 



