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.
Many types of gangs make up the general structure of an organized group. There are street gangs, which are people with similar backgrounds and motivations. The term street gang is commonly used interchangeably with youth gang, referring to neighbourhood or street-based youth groups that meet gang criteria.