💀anatomy and physiology i review

Stimulus

Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025

Definition

A stimulus is any change in the environment that can make an organism or a part of the body react. In the context of the nervous system, it's what prompts nerve cells to transmit signals to the brain or spinal cord.

AP course connection

Topic 12.1: 12.1 Basic Structure and Function of the Nervous System

Unit 12

"Stimulus" also found in:

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