1) Medical terminology 
An extracorporeal medical procedure is a medical procedure which is performed outside the body. ==Circulatory procedures== A procedure in which blood is taken from a patient`s circulation to have a process applied to it before it is returned to the circulation. All of the apparatus carrying the blood outside the body is termed the extracorporeal ....
(extra- + L. corpus body) situated or occurring outside the body.
<anatomy> Situated or occurring outside the body. ... Origin: L. Corpus = body ... (18 Nov 1997) ... 
(eks″trә-kor-por´e-әl) located or occurring outside the body.
Type: Term Pronunciation: eks′tră-kōr-pō′rē-ăl Definitions: 1. Outside of, or unrelated to, the body or any anatomic 'corpus.'
Extracorporeal: Outside the body, in the anatomic sense. As in extracorporeal circulation, extracorporeal dialysis, and extracorporeal shock wave lithotripsy. From extra- + corpus, meaning body.
Outside the body.
occurring or situated outside the body, as a heart-lung machine used to oxygenate the blood during surgery.