the five viscera and six internal organs
Traditional Chinese medicine term for the complete set of internal organs. Used in anatomical or medical contexts.
The five viscera and six internal organs refer to the liver, heart, spleen, lungs, kidneys and the gallbladder, small intestine, stomach, large intestine, bladder, and sanjiao.
inside the body; deep in one's heart
Figurative use emphasizing the innermost part of the body or heart. Often appears in expressions like 五臓六腑に染み渡る (to soak into one's whole being).
The cold beer soaks into every part of my body.
His words resonated deep in my heart.