opaque
impervious to light; not translucent or only slightly so.
Compare: radiopaque.
Origin: Fr. Fr. L. Opacus, shady
Dictionary > Opaque
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Sensory Systems
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and external environment, neural pathways that conduct this information to the brain and parts of the brain that processes this information. Know the different sensory systems of the human body as elaborated by this tutorial...
