Endogenously produced intestinal gasses make up 74% of flatus in normal subjects.

Hormesis may also be induced by endogenously produced, potentially toxic agents.

Deficiency (medicine), including various types of malnutrition, as well as genetic diseases caused by deficiencies of endogenously produced proteins.

Lipoxins are short lived endogenously produced nonclassic eicosanoids whose appearance in inflammation signals the resolution of inflammation.

However, acetone is endogenously produced in the human body.

Most recognized tumor antigens are endogenously produced, altered gene products of mutated cells.

As you know, the Commission initially proposed to prohibit the use of oestradiol in the light of advice that this endogenously produced substance is a carcinogen.

Deficiencies of endogenously produced proteins such as enzymes are the underlying mechanisms of almost all genetic disorders, for example the inborn errors of metabolism.

Endothelin-1 is a potent vasoconstrictor which is produced endogenously during ischemic stroke and which contributes to overall loss of cells and disability.

Thus, human bodies contain some quantity of alcohol endogenously produced by these bacteria.