The mammary gland is a modified sweat gland that nourishes the young. It consists of the mamma and the teat. Undeveloped in both the male and female at birth, the female mammary gland begins to develop as a secondary sex characteristic at puberty.
gang definition, meaning, what is gang: a group of young people, especially young men, who spend time together, often fightingâ¦. Learn more.
Defining the Community Youth Gang. The term gang carries with it many meanings and evokes a number of images for people. Discussing some of their different characteristics as well as different perceptions about them may contribute to a working definition of gangs.