Examples of how the word is used

endo- illustration These bacteria probably release minute amounts of endotoxin while growing.
endo- illustration Endoscopy allows physicians to peer through the body's passageways.
endo- illustration I think there is a pretty strong case that the endorphin rush is essentially harmless.
endo- illustration They have in common the fact that they are endocellular, that is, they are localized within certain cells.