viscera; internal organs; bowels
A Sino-Japanese noun referring to the body's internal organs or viscera. Learners will most often encounter it as the 臓 in compounds such as 心臓 and 肝臓, or in fixed phrases such as 五臓六腑.
The cold water soaked through my whole body, down to my very bowels.
Zō is used in words for internal organs, such as the heart and liver.
pancreas
spleen
entrails; offal; giblets; tripe
internal organs; entrails; viscera
the five viscera (liver, lungs, heart, kidney, spleen)
lungs
hepatopancreas
beefsteak fungus; beefsteak mushroom
heterotaxy; situs ambiguus
liver cancer
kidney cancer; renal carcinoma
pancreatic cancer
The kanji 臓 is conventionally associated with internal organs and appears in many Sino-Japanese compounds. The historical derivation of the Japanese word form is not specified.