The term 'OUTSIDE' can be broken down into four prefixes: EXO, ECT, ECTO, and EXTRO. EXO is a prefix meaning 'OUTSIDE of, ' ECT is a prefix meaning 'OUTSIDE, ' ECTO is a prefix meaning 'OUTSIDE of, ' and EXTRO is a prefix meaning 'OUTSIDE.' Together, these prefixes can be used to describe something that is located OUTSIDE of a certain area or boundary. For example, an exo-atmospheric object would be something located OUTSIDE of the Earth's atmosphere. An ectopic pregnancy would be a pregnancy located OUTSIDE of the uterus. An ectomorphic person would be someone with a body type characterized by having a thin, delicate frame and being tall and slender. An extroverted person would be someone who is outgoing and enjoys socializing with others.