However,  a priori  is sometimes used to modify other nouns, such as truth. Philosophers also may use apriority and aprioricity as nouns to refer (approximately) to the quality of being  a priori .
Lectins are drawn right to that lining, and your immune system retaliates. Lectins are found in all foods, but in some more than others. All seeds of the grass family - wheat, rye, rice, spelt, etc. - are high in lectins. You also find lectins in beans, dairy and in the nightshades (tomatoes, potatoes, eggplant). According to a 1991 study, dairy may be potentially more harmful in pasteurized, processed milk because of the reduction of SIgA, an immunoglobulin that binds dangerous lectins.
Other Foods. You'll also be consuming lectin if you eat nuts and seeds, even those that have been dry roasted. Walnuts, hazelnuts, peanuts, sunflower seeds, sesame seeds and coconut all contain lectins. Chocolate, coffee and some spices, including caraway, nutmeg, peppermint, marjoram and garlic, are also sources of lectins.