Category: R

Brainstem infection, a disease that is most often caused by the bacterium Listeria moncytogenes or by West Nile virus, Nipah viruses, or enteroviruses. The infection is often characterized by symptoms such as fever, malaise, headache, nausea, vomiting, altered mental status, ataxia, and strokelike impairment of cranial nerves.  

A genus of yeasts that do not ferment carbohydrates. The yeasts are widely distributed in air, dairy products, soil, and water. They have been occasionally identified as a cause of opportunistic infection in compromised hosts.  

The ability of the retinal epithelium to regenerate rhodopsin that has been bleached by light. The retina’s ability to generate rhodopsin.  

Regeneration of rhodopsin that has been bleached by light. The process of restoring rhodopsin that has been bleached by light.  

The bloodsucking insect that transmits South American trypanosomiasis to humans; colloquially called the “kissing bug.”  

A rare silvery-white transition metal; atomic weight 102.905, atomic number 45. It is used in alloys with platinum and as a catalyst.  

A genus of fungi, a mold that is usually saprophytic, but may be an opportunist; a common cause of mucormycosis.  

A phylum of the kingdom Protista; unicellular amebas with pseudopod locomotion. It includes free-living and pathogenic species such as Entamoeba histolytica.  

A gram-negative rod that is a rare cause of infection in hospitalized patients, especially those treated with plastic tubes or catheters. It has long been recognized as a plant pathogen. It has been identified as a human pathogen only in patients with cancers, critical illness, or immunosuppressing illnesses. It was formerly known as Agrobacterium radiobacter.…

Inflammation of the nasal mucous membranes and the trachea.