| Neisser's coccus | A species of gram-negative, aerobic bacteria primarily found in purulent venereal discharges. It is the causative agent of gonorrhoea. (12 Dec 1998) |
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| Neisser's stain | <technique> A stain for the polar nuclei of the diphtheria bacillus which uses a mixture of methylene blue and crystal violet. (05 Mar 2000) |
| Neisser's syringe | A urethral syringe used in treatment of gonococcal urethritis. (05 Mar 2000) |
| Neisser, Albert | <person> Breslau physician, 1855-1916. See: Neisseria, Neisser's coccus, Neisser's syringe. (05 Mar 2000) |
| Neisser, Max | <person> German bacteriologist, 1869-1938. See: Neisser's stain. (05 Mar 2000) |
| Neisseria | <bacteria> Gram-negative nonmotile pyogenic cocci. Two species are serious pathogens, Neisseria meningitidis (see meningitis) and Neisseria gonorrhoeae. The latter associates specifically with urinogenital epithelium through surface pili. Both species seem to evade the normal consequences of attack by phagocytes. (15 Jan 1998) |
| Neisseria catarrhalis | Former name for Moraxella catarrhalis. (05 Mar 2000) |
| Neisseria caviae | A species found in the pharyngeal region of guinea pigs; may also be found in other animals. (05 Mar 2000) |
| Neisseria flava | A species found in the mucous membranes of the human respiratory tract; easily confused with Neisseria meningitidis. Synonym: Neisseria subflava. (05 Mar 2000) |
| Neisseria flavescens | A species found in cerebrospinal fluid in cases of meningitis; probably occurs in the mucous membranes of the human respiratory tract. (05 Mar 2000) |
| neisseria gonorrhoeae | A species of gram-negative, aerobic bacteria primarily found in purulent venereal discharges. It is the causative agent of gonorrhoea. (12 Dec 1998) |
| Neisseria haemolysans | Former name for Gemella haemolysans. See: Gemella. (05 Mar 2000) |
| neisseria meningitidis | A species of gram-negative, aerobic bacteria found in cerebrospinal fluid as the causative agent of cerebrospinal meningitis (meningitis, meningococcal) as well as in venereal discharges and blood. (12 Dec 1998) |
| Neisseria sicca | A species found in the mucous membranes of the human respiratory tract. (05 Mar 2000) |
| Neisseria subflava | A species found in the mucous membranes of the human respiratory tract; easily confused with Neisseria meningitidis. Synonym: Neisseria subflava. (05 Mar 2000) |