by the use of high-performance liquid chromatography , the content of norepinephrine ( ne ) and epinephrine ( e ) in the theca of the largest and the second largest preovulatory follicle of the ovary of the hen was found to increase from 15 h ( ne ) or 18 h ( e ) to reach a peak 9 h ( ne ) or 9-6 h ( e ) before ovulation of the largest follicle .
C0014563
epinephrine
C0028351
ne