The mast cells create this reaction by releasing chemicals, called chemotactic factors, that then attract many other inflammatory cells to the site. These cells include: eosinophils, neutrophils, and lymphocytes. Once theyâve arrived, each one of these cells contributes to the late phase of the allergic response. Eosinophils generate chemicals similar to those made by mast cells, as well as release more generally toxic substances that irritate the body.
20 Important Characteristics of Urban Community | Sociology. A sociological analysis of urban community contains several salient features. As a rule, in the same country and at the same period, the size of an urban community is much larger than that of a rural community. In other words, urbanity and size of a community are positively correlated. Image Courtesy : upload.wikimedia.org/wikipedia/commons/0/08/Ginza_area_at_Tower.jpg.
Urban fiction, also known as street lit is a literary genre set, as the name implies, in a city landscape; however, the genre is as much defined by the socio-economic realities and culture of its characters as the urban setting.The tone for urban fiction is usually dark, focusing on the underside of city living.ontemporary urban fiction was (and largely still is) a genre written by and for African Americans. In his famous essay â The Souls of Black Folk ,â W. E. B. Du Bois discussed how a veil separated the African American community from the outside world.