Science News Archive - August 24, 2004

SUMMARY Tumor necrosis factor-[alpha] (TNF-[alpha]), cyclooxygenase (COX)- 2, and prostaglandin (PG)E-2 play a critical role in the pathophysiology of arthritis.

Word of the Day
  • The hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed.
This word comes from the Greek 'endon,' in, within, plus the Greek 'karpos', fruit.