| patch test | |
| —n | |
| med a test to detect an allergic reaction by applying small amounts of a suspected substance to the skin and then examining the area for signs of irritation | |
| the depression in the center of the surface of the abdomen indicating the point of attachment of the umbilical cord to the embryo; navel. |
| of or pertaining to the throat or neck. |
patch test n.
A test for allergic sensitivity in which a suspected allergen is applied to the skin on a small surgical pad for a period of time to determine if an allergic response is present.