At the level of the spinous process of T11, corresponding to Pishu BL-20, which BL point is located 3 cun lateral to the midline?

• A. Bl 46
• B. Bl 47
• C. Bl 49
• D. Bl 50

Answer: (C)

The key idea is using the back’s 3-cun lateral line for the Bladder channel. Pishu BL-20 sits at the level of the spinous process of T11, 1.5 cun lateral to the midline. On that same thoracic level, the Bladder points located about 3 cun lateral to the midline form a specific row, and the point corresponding to T11 on that 3-cun lateral line is BL-49. So when you’re locating a Bladder point 3 cun away from the midline at the T11 level, BL-49 is the one you reach. The other options lie at different vertebral levels along that back-lateral line and do not match the T11 level.