<prompt> Phospholipase C acts as secondary messenger forFSHIHTSHGnRH  <response>: Phospholipase C is an enzyme which produces inositol tri phosphate and diacylglycerol They causes release of calcium ions which act as secondary messager Epinephrine, norepinephrine, angiotensin, ADH,TRH also require calcium as secondary messager Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:540 to 545 