Pressure

Definition

Pressure in the context of Anatomy and Physiology is the force exerted by a substance that is in contact with another substance. In the human body, it often refers to the force blood exerts against the walls of blood vessels.

Related terms

Blood pressure: The force exerted by circulating blood on the walls of blood vessels, essential for maintaining circulation and nutrient distribution.

Atmospheric pressure: The weight of air pressing down on everything on Earth's surface, affecting breathing and gas exchange in the lungs.

Osmotic pressure: The pressure required to prevent osmosis; involved in maintaining fluid balance across cell membranes