etc

the stain affects chiefly bacteria and the nuclei of the cells, con'trast s., difEeren'tial s., a dye used to color one portion of a ti ue or cell which remained unaffected when the other part was stained by a dye of another color, double s., a mixture of two dyes which stain different portions of a ti ue or cell differently, mul'tiple s., a. mixture of several dyes each having an independent selective action on one or more portions of the ti ue, green s., a fungoid deposit at the cervicolabial and cervicobuccal portions of the teeth, neutral s., a compound of an acid and a basic stain, nece ary to color neutrophil cells or ti ues which will not stain with either a basic or an acid dye alone, nu'clear s., basic s. plasm at'ic s., plasmic s., a dye coloring a ti ue uniformly, the opposite of a selective s pro top las'mic s., acid s., one which stains the protoplasm rather than the nuclei. selec'tiTe s., a stain which colors one portion of a ti ue or cell exclusively or more deeply than the remaining portions.