Positive chemotaxis

Definition

Positive chemotaxis is the movement of an organism or cell towards higher concentrations of a specific chemical stimulus. In the context of leukocytes within the cardiovascular system, it refers to their movement towards areas of infection or injury signaled by chemicals released from those sites.

Related terms

Leukocytes: White blood cells that are part of the immune system and help defend the body against infectious disease and foreign materials.

Platelets: Small blood cell fragments that play a crucial role in blood clotting and maintaining vascular integrity.

Inflammation: A biological response to harmful stimuli such as pathogens, damaged cells, or irritants, characterized by redness, swelling, heat, and pain