meningococcus

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meningococcus

 [mĕ-ning″go-kok´us]
a microorganism of the species Neisseria meningitidis, the cause of some types of meningitis. adj., adj meningococ´cal.

Neis·se·ri·a me·nin·gi·'ti·dis

a bacterial species found in the nasopharynx of humans but not in other animals; the causative agent of meningococcal meningitis and meningicoccemia; virulent organisms are strongly gram negative and occur singly or in pairs; in the latter case the cocci are elongated and are arranged with long axes parallel and facing sides kidney shaped; groups characterized by serologically specific capsular polysaccharides are designated by capital letters (the main serogroups being A, B, C, and D).

meningococcus

(mə-nĭng′gə-kŏk′əs, -nĭn′jə-)
n. pl. meningo·cocci (-kŏk′sī, -kī)
A bacterium (Neisseria meningitidis) that causes cerebrospinal meningitis.

me·nin′go·coc′cal (-kŏk′əl), me·nin′go·coc′cic (-kŏk′sĭk) adj.

Neis·se·ri·a me·nin·gi·ti·dis

(nī-sēr'ē-ă men-in-jit'i-dis)
A species found in the nasopharynx; the causative agent of meningococcal meningitis. Virulent organisms are strongly gram-negative and occur singly or in pairs; in the latter case the cocci are elongated and are arranged with long axes parallel and facing sides kidney shaped. Groups characterized by serologically specific capsular polysaccharides are designated by capital letters (the main serogroups being A, B, C, and D).
Synonym(s): meningococcus.