Elimination is predominantly renal; the kidneys actively secrete didanosine, the amount being 20% of the oral dose.

Under hypoxic conditions, the kidney will produce and secrete erythropoietin to increase the production of red blood cells by targeting CFU-E, pro erythroblast and basophilic erythroblast subsets in the differentiation.

The kidney actively secretes waste products into the urine.

For example the kidney secretes endocrine hormones such as erythropoietin and renin.

The kidneys secrete a variety of hormones, including erythropoietin, and the enzyme renin.

The mechanists were fond of saying things like, "the brain secretes thoughts in the same way that the kidneys secrete urine."

The kidneys secrete NH to neutralize excess acid.

The kidneys would sponge up the salt from his blood and secrete it.