Acupuncture points (Chinese: 腧穴; pinyin: shùxué, also called acupoints (Chinese: 穴位; pinyin: xuéwèi or Japanese: つぼ tsubo) are locations on the body that are the focus of acupuncture, acupressure, sonopuncture, and laser acupuncture treatments. There are several hundred acupuncture points that are distributed along meridians (connected points across the body which affect a specific organ or other part of a person) as well as numerous other "extra points" that are not associated with a particular meridian.
Most of the current research into acupuncture point locations and mechanisms is taking place in China. Traditional Chinese medicine's acupuncture theory predates use of the scientific method, and has received various criticisms based on scientific thinking. There is no known anatomical or histological basis for the existence of acupuncture points or meridians.[1] Acupuncturists tend to perceive TCM concepts in functional rather than structural terms, i.e. as being useful in guiding evaluation and care of patients. [2][3] Neuroimaging research suggests that certain acupuncture points have distinct effects that are not otherwise predictable anatomically