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.
Wassermann test. The test was sufficiently familiar to American movie audiences that the 1934 exploitation film The Road to Ruin simply showed a card with a positive Wassermann test (misspelled in the film) without any further explanation to indicate a character had contracted syphilis.