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.
The following are the three classifications: 1  Annelida â This group is probably the most recognized of the three worm classifications. 2  Nematoda â This phylum of worms includes roundworms, hookworms and threadworms. 3  Platyhelminthes â The worms in this group are flat or ribbon-shaped. Nematoda â This phylum of worms includes roundworms, hookworms and threadworms. 2  Many roundworms are parasites and can cause a variety of problems for people and pets. 3  Threadworms live on the ground in damp soil, mossy areas or in decaying vegetation. 4  They can also be found in freshwater and saltwater.