Fortified foods contain vitamin D in the form of either D2 or, more commonly, D3, which is the type produced by human skin exposed to sunlight. Salmon, tuna, swordfish and mackerel are examples of fish whose flesh contains vitamin D, notes the NIH Office of Dietary Supplements.
Definition of Wassermann test. : a test for the detection of syphilis using the Wassermann reaction âcalled also Wassermann.
Medical Definition of PATCH TEST. : a test for determining allergic sensitivity that is made by applying to the unbroken skin small pads soaked with the allergen to be tested and that indicates sensitivity when irritation develops at the point of applicationâcompare intradermal test, prick test, scratch test. a test for determining allergic sensitivity that is made by applying to the unbroken skin small pads soaked with the allergen to be tested. See patch test defined for kids. ADVERTISEMENT.