Skip to main content
CSTSetup
Dictionary

systemic

Affecting the whole body rather than one part.

sis-TEM-ik adjective

What it means

Describes something that spreads through the body or acts on it as a whole. A systemic infection has reached the blood; a systemic drug travels through the bloodstream rather than acting only where it is put (topical); systemic lupus erythematosus affects many organs. In the systemic circulation, the left side of the heart pumps blood out to the body.

At a glance

Spanishsistémico

Easy to confuse with

topical

Applied to a surface of the body, such as the skin, eyes or mucous membranes.

Related terms

sepsis

A severe whole-body response to an infection that damages the body's own organs.

lupus

Systemic lupus erythematosus: a long-term autoimmune disease in which the immune system attacks the body's own tissues.

bloodstream

The blood flowing through the body's blood vessels.

topical

Applied to a surface of the body, such as the skin, eyes or mucous membranes.

Filed under

Look up another word