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[Formula Song] The Jueyin Pericardium Channel originates from the axilla, travels along the lateral aspect of the axilla and the medial aspect of the upper arm, enters the elbow and descends between the two tendons, enters the palm, and terminates at the tip of the middle finger.
[Note] The Hand-Jueyin Pericardium Channel (Shoujueyin Xinbao Jing) originates three cun below the axilla, approximately one cun lateral to the nipple. It turns outward and upward from the axilla, follows the medial aspect of the arm into the elbow, descends between the two tendons into the palm, and terminates at the tip of the middle finger.

[Formula Song] The Shaoyang Sanjiao Channel originates at the tip of the fourth finger (ring finger), travels between the two bones on the lateral aspect of the wrist and forearm, passes through the elbow and ascends to the shoulder, neck, and behind the ear, winding above the ear anteriorly between the arteries.
[Note] The Hand-Shaoyang Sanjiao Channel (Shoushaoyang Sanjiao Jing) originates on the lateral side of the ring finger, about the width of a leek leaf from the corner of the nail. From the interosseous space between the little and ring fingers, it ascends to the middle of the two bones on the lateral aspect of the wrist and forearm, passes through the elbow and ascends to the shoulder; from the shoulder, it passes through the neck to behind the ear, winds upward over the upper angle of the ear, and terminates by descending along the artery in front of the ear.

[Formula Song] The Shaoyang Gallbladder Channel originates at the outer canthus of the eye, winds around the front and back of the ear to ascend to the forehead and vertex, passes behind the vertex, down the neck and shoulder, into the axilla and hypochondrium, crosses the knee and ankle, traverses the dorsum of the foot, and exits at the lateral side of the little toe and second toe.
[Note] The Foot-Shaoyang Gallbladder Channel (Zushaoyang Dan Jing) originates at the outer canthus of the eye, obliquely crosses the front of the ear, travels behind the ear, ascends to reach the forehead and vertex, travels down the lateral neck behind the vertex, passes the shoulder and descends into the axilla, runs along the lateral body to the hypochondrium, descends to the thigh/crotch, runs along the lateral side of the knee, reaches the anterior aspect of the lateral malleolus, moves inward to the dorsum of the foot, reaches the lateral side of the little toe and second toe, and terminates about the width of a leek leaf from the corner of the nail.

[Formula Song] The Jueyin Liver Channel originates at the pubic hair region, travels along the dorsum of the foot and between the medial malleolus, ascends to the popliteal fossa, circles the genitalia to the hypochondrium, ascends to the lower end of the second rib beneath the breast.
[Note] The Foot-Jueyin Liver Channel (Zujueyin Gan Jing) originates posterior to the big toe, in the sparse hair area about the width of a leek leaf from the nail, travels along the dorsal surface of the foot, passes the medial malleolus, ascends to the popliteal fossa [gu], passes the knee, ascends straight to circle the genitalia, curves outward to the medial aspect of the hypochondrium, and ascends obliquely to terminate at the lower end of the second rib beneath the breast.

[Formula Song] The Ren Mai (Conception Vessel) originates between the two yin organs (external genitalia), ascends to the pubic hair region along the midline of the abdomen, ascends centrally below the neck at the larynx, and ends at the depression below the lower lip ridge named Chengjiang.
[Note] The Ren Mai (Conception Vessel) originates between the anterior and posterior orifices, moves forward to the pubic bone, ascends to the pubic hair region, goes straight up the midline of the abdomen from the pubic hair, ascends to the center above the hyoid bone/larynx below the neck, and ascends from the larynx to the depression below the ridge of the lower lip to terminate.