Biology
- Stromal cell-derived factor (disambiguation), several human proteins
- Synchronous diaphragmatic flutter, the spasmodic contraction of the diaphragm (hiccup)
Read more about this topic: SDF
Famous quotes containing the word biology:
“Nothing can be more incorrect than the assumption one sometimes meets with, that physics has one method, chemistry another, and biology a third.”
—Thomas Henry Huxley (182595)
“The control of nature is a phrase conceived in arrogance, born of the Neanderthal age of biology and the convenience of man.”
—Rachel Carson (19071964)