Brachial artery
From Memory Alpha, the free Star Trek reference
The brachial artery is the major blood vessel in the upper arm of humanoids.
In 2373, Commander Worf stabbed General Martok during a training exercise, and missed severing Martok's brachial artery by less than three centimeters. Doctor Bashir treated the wound with an auto-suture. (DS9: "Soldiers of the Empire")
