Aldous Huxley

What we feel and think and are is to a great extent determined by the state of our ductless glands and viscera.

English Novelist

Used often in medical or anatomical contexts to talk about body organs.

Medical Term

It's formal and technical; not used in everyday conversation about the body.

Not for Casual Use

Sometimes used metaphorically to mean the innermost or essential part.

Metaphorically Speaking

 it's now a serious problem -- you continue to vividly feel the presence of that missing arm, and that's called a phantom arm or a phantom leg. In fact, you can get a phantom with almost any part of the body. Believe it or not, even with internal viscera.

3 clues to understanding...

 sensory organs of parts of the viscera of all sorts of things that have direct bearing on the life of the animal including its behavior including its physiology and so those things you know i i would take the coloration as

Viscera