When an allergic individual is exposed to a sensitizing allergen, the body makes a specific IgE, one that is able to recognize only that allergen. (see above chart). Millions of mast cells and basophils are all over the body.
Urban morphology is the study of the form of human settlements and the process of their formation and transformation. The study seeks to understand the spatial structure and character of a metropolitan area, city, town or village by examining the patterns of its component parts and the process of its development.
1 WHATS MORPHOLOGY?ï¢ a) Morphology is the study of the structure of words. - 2 Paradoxically, however, the concept of word itself defies simple definition. 3  In English, for example, words tend to be smaller than the sentence, and we combine words to form sentences. Words that have only one morpheme are also called monomorphemic words (e.g. pig). 2  Words with more than one morpheme are called polymorphemic words, as in foolishness (fool + ish + ness).ï¢. 3  4. MORPHEMES:minimal unit in which there is an arbitrary union of asound and a meaning (lexical meaning or grammaticalfunction).