Ions

Definition

Ions are electrically charged particles that can be either positively charged (cations) or negatively charged (anions). They play a crucial role in various physiological processes, including the transmission of signals in neurons.

Related terms

Cations: Positively charged ions that move across the neuronal membrane during depolarization.

Anions: Negatively charged ions that also contribute to the movement across the neuronal membrane during depolarization.

Sodium and Potassium Ions: Specific cations involved in depolarization and repolarization processes in neurons.