in contrast , there was a significant 50 % drop in lh concentrations in the anterior pituitary gland of 11-12-month-old animals when compared with young controls ( 72 +/- 58 micrograms/mg vs 137.2 +/- 27 micrograms/mg , p less than 0.05 ) without any noted change in serum or brain lh concentrations .
C0006104
brain
C0086045
concentrations