1) Gram-negative bacterium 
Neisseria sicca is a commensal organism belonging to the genus Neisseria. It is gram-negative and oxidase-positive. There are multiple strains of this species, some of which are reported to have caused septicaemia in immunocompromised patients. These bacteria are the first among Neisseria species to have been shown to have O-repeat structure in th...
A species found in the mucous membranes of the human respiratory tract. ... (05 Mar 2000) ... 
Type: Term Definitions: 1. a bacterial species found in the mucous membranes of the human respiratory tract.