quote from tcm.health-info.org
There are 2 types of internal organs: Zang are considered Yin organs, Fu are considered Yang organs. Yang organs are in charge of transforming food and drink into Qi and Blood. They receive, move, transform, digest, and excrete. The Yin organs store the vital substances (Qi, blood, Essence, body fluids) in pure refined forms from which they have received from the Yang organs after they have been transformed. They Yang organs do not store anything, they are filled, perform their functions of extraction of pure essences, and empty waste. The Yang organs can be viewed as the functional aspect of the Yin organs, i.e. the stomach is the functional aspect of the Spleen.
Yin: Heart, Liver, Lungs, Spleen, Kidneys, Pericardium
Yang: Small Intestine, Gallbladder, Large Intestine, Stomach, Bladder, San Jiao
just some info I dug up. along the same lines as gareth's original question, why do the pericardium and heart channels start at the chest and end at the fingers, as opposed to the large & small intestine channels which start at the fingers? (those go through the chest to the face though..)
Do yin & yang channels "go" (for lack of a better term) in opposite directions? I noticed yin meridians in the legs numbered upwards, yang numbered down; same for ht, pc, li, si meridians I mentioned above...at the moment I have no idea what the functional impact of that would be.
here's a good link to acrupuncture points, you can hover over each point for an exact location.
http://www.yinyanghouse.com/acupuncturepoints/locations_theory_and_clinical_applications
back to work...