Primary function

Definition

The primary function refers to the main or most important purpose or role of a particular organ or system.

Related terms

Secondary function: Refers to additional roles or purposes that an organ or system may have apart from its primary function.

Tertiary function: Relates to even further roles or purposes that an organ or system may serve, usually less significant than both primary and secondary functions.

Vital function: Describes critical functions that are necessary for survival and proper functioning of an organism.