2. an area of discoloration of the skin. acid-fast stain a staining procedure for demonstrating acid-fast microorganisms. differential stain one that facilitates differentiation of various elements in a specimen. endogenous stain an intrinsic stain acquired during tooth development.exogenous stain an intrinsic stain acquired after a tooth has erupted.. an area of discoloration of the skin. acid stain. a stain in which the coloring agent is in the acid radical. basic stain. a stain in which the coloring agent is in the basic radical.
Bridgit Mendler took to Twitter on Friday evening (August 16) to clear up the rumors that she is pregnant. âKinda thought the twitter chatter would have died down by now but no, Iâm not pregnant.
A Pennsylvania teenager who was eight months pregnant died Saturday after shoveling snow outside her home during the monster blizzard that slammed the East Coast. Relatives of Briahna Gerloff, 18, said she insisted on shoveling the familyâs Pottstown home in the morning, brushing off warnings about the wicked weather, according to NBC Philadelphia.