[1] It is a functionally defined entity and not equivalent to the anatomical organ of the same name.
Regarding its stipulated functions, the Spleen Its associated body fluid is saliva.
The Spleen's holding function (i.e., the Spleen-qì) is said to be strongest between 9 and 11am.
When the Spleen is functioning well, digestion will be good, the muscles will be strong and circulation will be efficient.
Dysfunction of the Spleen typically presents as diarrhea, malnutrition, edema, weak/atrophic muscles, greasy taste in the mouth, or excessive bleeding and prolapse.