LOCATION
3 cun below the axilla, in the 4th intercostal space, On the mid-axillary line when the arm is raised.
Features
-/-
Body Inches (cun)
Each person has his/her own personal body inches.
One cun is equal to the width of the Knuckle of the thumb.
Nerves, vascular
The lateral cutaneous branch of the fifth intercostal nerve, the branch of the long thoracic nerve, the veins of the thoracic and abdominal wall, and the arteries and veins of the lateral thoracic nerve.
Indication
Fullness sensation in the chest，lymphoid tuberculosis，flank pain and swelling ，arm lift difficulties，intercostal nerve pain，pleurisy.
Deep or perpendicular needling may induce a pneumothorax.
Do not apply moxibustion.
Combinations
Chest and hypochondrium pain：GB 22 & GB 34.
穴位
在側胸部腋中線上，腋下3寸，當第五肋間隙處。
特點
-/-
同身寸
針灸取穴比量法。出自《千金要方》。
是指以患者本人體表的某些部位折定分寸，
作为量取穴位的長度單位。
穴區神經血管
第五肋間神經外側皮支，胸長神經之支，胸腹壁靜脈，胸外側動、靜脈。
適應症
胸滿，瘰癧，脇肋腫痛，臂不得舉，肋間神經痛，胸膜炎。
穴位配伍療法
馬刀腫瘻：1.淵腋 2.章門 3.支溝
馬刀腋下者：1.淵腋 2.支溝 3.外關 4.足臨泣
胸脅痛：1.淵腋 2.陽陵泉