The most immature blood cell that is considered a plasma cell instead of a B cell is the plasmablast. Plasmablasts secrete more antibodies than B cells, but less than plasma cells.
Gentian Violet. Gentian violet is a water soluble dye (coloring substance) used primarily in medicine to stain bacteria, but also in other histological procedures. It is not derived from gentians, but got its name since it is pink-violet like some gentians in the genera of Centaurium, Gentiana, and Gentianella.
The color wisteria is displayed at right. Wisteria, a light medium violet color is equivalent to light lavender. The Prismacolor colored pencil PC 956, which used to be called light violet and is now called lilac (the actual color of the colored pencil is equivalent to wisteria rather than lilac) is this color.