Author: Glossary

A protein that protrudes from the lipid bilayer of an enveloped virus. A peplomer helps the virus gain entry into a cell with susceptible cell surface receptors.  

Healthy tissue that surrounds an ischemic or infarcted part. The presence of geometric blurring on the periphery of a radiograph, arising from a combination of factors including a sizable effective focal spot, a short distance between the target and film, and a substantial distance between the object and film.  

A chemical molecule containing five atoms of oxygen.  

Pentose combined with some other substance. Pentoses combined with purine or pyrimidine bases are present in nucleic acids, DNA, and RNA.  

A crystalline compound formed when a pentose is treated with phenylhydrazine. It is not normally present in urine.  

Infection with certain genera of Pentastomida, the tongue worms. The larval forms usually live in the bodies of animals but have been reported in humans.  

A plasma volume expander derived from amylopectin. It is a colloidal solution similar to hetastarch, but with a lower average molecular weight. It is used to support blood pressure in critical situations, such as the treatment of sepsis, shock, or trauma.  

Having five sets of chromosomes.  

A polypeptide with five amino acid groups.  

One of the hydrocarbons of the methane series. It is a product of petroleum distillation.