Zhongliao (BL33)
Zhongliao (BL33), “Central Bone-Hole”, is a point on the Bladder meridian. It is point 33 of the 67 on the channel. Regulates the lower Jiao, menstruation and defecation.
Location
On the sacrum, in the third posterior sacral foramen.
Functions according to tradition
Regulates the lower Jiao, menstruation and defecation.
Traditional indications
- Lumbosacral pain
- Constipation
- Irregular menstruation
- Vaginal discharge
Indications described by tradition; they do not amount to proven clinical effectiveness for each one.
Precautions
No specific precautions are described beyond the general ones for acupuncture. Needling must always be performed by a trained professional.
Points on other channels with similar indications
They share several traditional indications with this point. Comparing them helps understand why one or the other is chosen.
- CV7 Yinjiao (Ren Mai (Conception Vessel)): Irregular menstruation, Vaginal discharge
- GB27 Wushu (Gallbladder): Constipation, Vaginal discharge
- GV2 Yaoshu (Du Mai (Governing Vessel)): Irregular menstruation, Lumbosacral pain
- KI15 Zhongzhu (Kidney): Constipation, Irregular menstruation
- KI8 Jiaoxin (Kidney): Constipation, Irregular menstruation
- GB26 Daimai (Gallbladder): Irregular menstruation, Vaginal discharge
Point profile
- Code
- BL33
- Pinyin name
- Zhōng Liáo
- Characters
- 中髎
- Translation
- Central Bone-Hole
- Meridian
- Bladder
- Element
- Water
- Topics
- Sacrum, Uterus, Intestine
Health notice. Educational and study content. It describes concepts of Traditional Chinese Medicine and does not replace diagnosis or treatment by a healthcare professional. Needling, medicinal herbs and invasive techniques must be applied by trained professionals. Safety guide.
