extrahepatic
Meaning of extrahepatic: Extrahepatic describes structures, findings, or disease processes located outside the liver, as distinguished from those confined within the liver itself.
Definition of extrahepatic
Extrahepatic means located or occurring outside the liver. The term is used to describe anatomical structures, such as the extrahepatic bile ducts, which carry bile from the liver toward the intestine after it leaves the liver tissue itself, as well as disease processes that occur outside the liver.
In cancer staging and other disease classification, describing a finding as extrahepatic helps distinguish disease that has spread beyond the liver from disease that remains confined within it, which can carry different implications for how a condition is evaluated and understood.
The term is used in contrast to intrahepatic, which describes structures or findings located within the liver, and the distinction between the two is often relevant when interpreting imaging or laboratory findings related to the biliary system.
How extrahepatic is built
- extra- Prefix · Latin outside, beyond
- hepat/o Combining form · Greek liver
- -ac, -al, -ar, -ary, -eal, -ic Suffix · Greek and Latin pertaining to, relating to
A medical term is read from its ending backwards: the suffix first, then the prefix, then the root. See all 223 word parts.
Used in a sentence
Imaging identified extrahepatic bile duct dilation suggestive of a downstream obstruction.
Good to know
Extrahepatic bile duct obstruction, occurring outside the liver, produces a different pattern of findings than intrahepatic obstruction, which occurs within the liver's own bile duct branches.
Word origin
Where “extrahepatic” comes from
Formed from extra- (Latin, meaning "outside") and hepatic, from Greek hepar, meaning "liver."