A niger | definition of A niger by Medical dictionary
Aspergillus niger (redirected from A niger)
a species with black spores, often present in the external auditory meatus but rarely pathogenic; used in the commercial manufacturing of citric and gluconic acids.
A pathogenic species with black spores, frequently present in the external auditory meatus. It may cause pneumonia in immunocompromised patients, and otomycosis. The presence of localized oxalate crystals within necrotic tissue from the external auditory canal suggests the diagnosis. illustration
References in periodicals archive
This election is already at extremely high stake," said Lisa Mueller, a Niger
specialist and assistant professor of political science at Macalester College in St.
NIAMEY: At least two suspected Al-Qaeda-linked militants were captured after a failed raid to free two French hostages who were later found dead, a Niger
security source told AFP Tuesday.
save the Children, a humanitarian group, has a Niger
fund, at www.
5) Oxalic acid is a mycotoxin produced by A niger
and occasionally by other Aspergillus species, including A flavus and A fumigatus.