gel filtration on sephadex g-100 and analytical gel isoelectric focusing of culture media or serum samples from the pituitary fossa demonstrated that the growth factor secreted from the pituitary tumor fragments as well as from the venous serum is similar , if not identical , to chondrocyte growth factor ( mol wt , 43,000 ; pi 7.6-7.9 ) purified from human pituitaries collected at autopsy .
C0036609
pituitary fossa
C0032019
pituitary tumor