diplococcus

(dip-lo-kok’us) [Gr. διπλόος double + κόκκος berry]. A form of schizomycetes made up of pairs of cocci united or linked so as to produce an oval or oblong structure: generally regarded as a genus of bacteria. Ὦ. al’bicans tar’- dus, D. cit’reus liquefa’ciens, forms found in the excretion of seborrhea. d. of Cla , the D. scarlating. D. cory’z@, seen in certain nasal fluids. D. fluores’cens fo’tid us, has been obtained from the nasopharynx; another species occurs in the vesicles of pemphigus. Foa’s d., a capsulated diplococcus resembling Friinkel's Pneumococcus, found in the lung ti ue in pneumonia. Ford-Robertson’s d., a diplococcus formerly believed to be the causative agent in general paresis. Geirsvold’s d., a Gram-positive coccus, found in many specimens of spinal fluid during life and in the organs of several patients after death in cases of acute anterior poliomyelitis. D. gonorrhos’s. Same as Micrococcus gonorrhee. Gd. of horse pneumonia, a pathogenic species from the lungs of horses with pneumonia. Ὦ. intracellula’ris, Ὦ. intracellula’ris mening it’idis, found in blood, in sanious fluids, and in pus in cerebrospinal meningitis. It occurs as diplococci or tetrads within the pus-cells. Produces fatal septicemia and meningitis in mice and rabbits. It is also known as Nei eria weichselbaumii, Micrococcus mening it i dis, and Streptococcus mening i lid is. Jae- er’s d., the D. intracellular is. Ὦ. lac’teus favi- ‘or’mis, a saprophytic species from the normal vagina. Ὦ. lanceola’tus. Same as D. pneumonia. D. lu’teus, a species found in water, appearing as motile cocci in pairs or chains: it produce$ a yellow pigment. d. of Morax and Axenfeld, a species which is the cause of subacute or chronic conjunctivitis. @. of mumps, a pathogenic species discovered by von Leyden in the parotid secretion in mumps. D. orchit’- dis, a pathogenic species found in orchitis.. of pemphigus acutus, a pathogenic species from vesicles of pemphigus. &. of pertu is, a species found by Ritter in the sputum of whoo} ing-cough; pathogenicity not determined. pneumo’nisw, a pathogenic species from the sputum of pneumonia and the exudate of cerebrospinal meningitis; also from empyema and sputum septicemia; in non-motile, oval, doubled cells or rods, often in short chains. Called also Frdnkel's pneumococcus, Diplococcus lanceolatus, Micrococcus lanceolatus, Micrococcus pneumonia, and Streptococcus pneumoniae. Ὦ. pyo’genes ure’, a large sized species found in purulent urine. Ὦ. rheum at/icus, a species isolated from cases of acute rheumatism and thought to be pathogenic for that disease. Ὦ. ro’seus. See Nei eria rose a. Ὦ. scarlati’ng, a species from the throat secretions in scarlatina: believed to be the cause of that disease. Weichselbaum’s d., the D. intracellula’- ris meningil idis.