Labels:text | screenshot | black | font | black and white | document OCR: unanswered in trophin secretion A major question which rer the study of puberty is why & r without the decreases in mid childhood, ctors that trigger presence of functioning gona nknown, the onset of puberty are liker e stimulated or although the onset of pubert ns: for example, injuries can delayed by certain destructiv anterior hypothalamic tumo e posterior advance the onset of puberty can delay the hypothalamic injuries or tun onset of puberty or eliminate uberty is caused Thus, it appears that the onse ntral nervous destroyed by by a decrease in inhibition of ly onset of system - an inhibition that c certain disorders, leading to t puberty. See later: drome in . Hormonal Levels in Turne Puberty