From Big Medical Encyclopedia

SCARIFICATION (Latin scarificare to scratch, nadrezyvat) — the surgical manipulation consisting in limited (scratch) or more extensive (graze) damage of surface layers of skin, single or multiple.

Earlier S. was applied to bloodletting as a revulsive and for the purpose of strengthening of local action of medicinal substances at their application on skin. Then its began to use by production of allergic diagnostic reactions (see. Allergy diagnostic tests ); later it was replaced with method of an intradermal injection. It was most often applied at smallpox vaccination (see).

Limited S. can be made any sharp-pointed tool — tips of a scalpel, a hollow needle, etc. For the purpose of extensive S.' drawing special tools — the scarificators which now are almost absolutely left were used.