<prompt> Intracellular receptors are present for -EstrogenVitamin DThyroxineAll of the above  <response>: Ans. is d i.e., AH of the above TYPES OF RECEPTORSMembrane receptorso Present on the cell membrane.o Their drughormone binding domain is extracellular and effector domain is intracellular.These are:1. G protein coupled receptors - It may act through.Adenylvl cyclase cAMP - TSH, FSH, LH, ACTH, glucagon, PTH, adrenaline, calcitonin, vasopressin V2. cAMP - PRIH DopamineIP.-DAG Ca2- and protein kinase c - Vasopressin V1, oxytocin.Channel regulation Ca2, K Na2. Receptor with Intrinsic ion channels - Na, K, Ca2 or Cl-3. Enzyme linked receptorsIntrinsic enzyme receptors tyrosine kinase receptors - Insulin.JAK-STAT kinase binding receptors Growth hormone. Prolactin.Intracellular receptors transcription factorso Present inside the cell and induce synthesis of specific protein by increasing the expression of specific gene.1. Cytoplasmic - Glucocorticoids, Mineralocorticoids, Androgens, Progestins.2. Nuclear - Thyroxine, Triiodothyronine, Estrogen, retinoic acid, Vit D. 