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.
âº ârelating to towns and cities: an urban âarea/âcentre/âcommunity urban decay/âdevelopment/âplanning The âhigh-speed âtrain âlink is âresponsible for one of the biggest urban regeneration âprojects in the âarea.Compare rural. Compare.rural. ârelating to towns and cities: an urban âarea/âcentre/âcommunity urban decay/âdevelopment/âplanning The âhigh-speed âtrain âlink is âresponsible for one of the biggest urban regeneration âprojects in the âarea. Compare rural. Compare. rural.