Red blood cells deliver oxygen to working or active tissues.

Beauty now is muscle that moves - living, active, graceful tissue, like a cobra.

Here we propose a new application: localized stimulation of active (nerve or cortical) tissue by ultrasonically-induced electric fields.

Muscle mass is metabolically active tissue.

He and his colleagues compared genes of all kinds, not just those active in brain tissue.

Muscle mass is the metabolically active tissue or tissue that burns calories.

Very soft but chemically active tissues may be preserved by different processes.

The haemodynamic response is rapid delivery of blood to active neuronal tissue.

This opens paths throughout the normally active tissues of the patient's body.

Isotopes are often preferentially absorbed by biologically active tissue in the body, and can be used to identify tumors or fracture points in bone.