Medical dictionary. 2011.
Plasma cell — Plasma cells (also called plasma B cells or plasmocytes) are cells of the immune system that secrete large amounts of antibodies. They differentiate from B cells upon stimulation by CD4+ lymphocytes. The B cell acts as an antigen presenting cell… … Wikipedia
Plasma — may refer to: * Blood plasma, the yellow colored liquid component of blood, in which blood cells are suspended * Plasma (physics), an ionized gas, the fourth state of matter **Plasma display, a common application of plasma (physics), a flat panel … Wikipedia
plasma cell — n a lymphocyte that is a mature antibody secreting B cell * * * a terminally differentiated cell of the B lymphocyte lineage that produces antibodies; plasma cells are oval or round with extensive rough endoplasmic reticulum, a well developed… … Medical dictionary
Plasma lamp — Plasma lamps (also variously plasma globes, balls, domes, spheres, or orbs) are novelty items which were most popular in the 1980s. The plasma lamp was invented by Nikola Tesla after his experimentation with high frequency currents in an… … Wikipedia
Plasma osmolality — is a measure of the concentration of substances such as sodium, chloride, potassium, urea, glucose, and other ions in human blood. It is calculated as the osmoles of solute per kilogram of solvent. Normal osmolality in plasma is about 280 303… … Wikipedia
Plasma electrolytic oxidation — (PEO), also known as microarc oxidation (MAO), is an electrochemical surface treatment process for generating oxide coatings on metals. It is similar to anodizing, but it employs higher potentials, so that discharges[1] occur and the resulting… … Wikipedia
cell membrane — n 1) a membrane of a cell esp PLASMA MEMBRANE 2) CELL WALL * * * plasma m … Medical dictionary
plasma membrane — n a semipermeable limiting layer of cell protoplasm consisting of a fluid phospholipid bilayer with intercalated proteins called also cell membrane, plasmalemma * * * the structure enveloping a cell, enclosing the cytoplasm and forming a… … Medical dictionary
plasma cell — [plaz′mə sīt΄] n. a type of white blood cell that produces antibodies, formed when a B cell interacts with an antigen: often called plasmacyte [plaz′mə sīt΄] … English World dictionary
Plasma — Plas ma, n. [See {Plasm}.] 1. (Min.) A variety of quartz, of a color between grass green and leek green, which is found associated with common chalcedony. It was much esteemed by the ancients for making engraved ornaments. [1913 Webster] 2. (Biol … The Collaborative International Dictionary of English
