One of the slender, mesenchymallike cells found in close association with the outside wall of postcapillary venules; it is relatively undifferentiated and may become a fibroblast, endothelial cell, or smooth muscle cell. Synonym(s): adventitial cell, pericapillary cell, perithelial cell. [peri- + G. kytos, cell]
Class: Agaricomycetes. Order: Russulales. Family: Russulaceae. Russula nobilis (syn. Russula mairei) is commonly known as the Beechwood Sickener. It has a bitter taste, and if eaten it usually causes sickness, stomach pains and vomiting. The caps vary from almost white to a rich rosy pink.ussula nobilis (syn. Russula mairei) is commonly known as the Beechwood Sickener. It has a bitter taste, and if eaten it usually causes sickness, stomach pains and vomiting.
Rickettsiae comprise a group of microorganisms that phylogenetically occupy a position between bacteria and viruses. The genus Rickettsia is included in the bacterial tribe Rickettsiae, family Rickettsiaceae, and order Rickettsiales. They are obligate intracellular gram-negative coccobacillary forms that multiply within eukaryotic cells.