Tongue

Also orifice of the heart; magic root. The soft fleshy process of the floor of the mouth used in chewing, swallowing, and tasting food. The Magic Pivot (灵枢 líng shū, mài dù) says, Heart qì flows through to the tongue; when the heart is harmony it can taste the five flavors. The Magic Pivot (灵枢 líng shū, yōu huì wú yén) states, The tongue is the moving part of the voice. Parts of the tongue include: tip of the tongue; root of the tongue; tongue margins; center of the tongue. Examination of the tongue constitutes a major element of diagnosis.

See tongue examination.