Post Pituitary Gland

Post pituitary gland Nurohypophysail gland Eetend From Hypothalamus. ★2 nucleus:- Supra optic ADH UASaperssin. Paraventricular Oxytocin. *Nuropeptid Both 9.AA. Diffrent in 3,8 A.A. ADHpheng lalanin, Arginin. Oxytocin Isolevein, Levcin. *Secreted By Direct order From Hypothalamus. Al Storge in Axon knops in post pitutary. BBound to plasma protien. CIADH, oxytocin Similler Stracter So Similler function. Regulation of ADH Secretion:- plasma osmoloruty CosmoReceptor in Hypothalmus]. Tosmolarity plasma1ADH. Ecf Volam By Atrial Baro Receptor Volum Receptor. JADH. Shock Bleeding Water IV.R PADH. Dehydration 3) Stress TADH RAAS BP Renin Ang II Aldestion MADHIBP. Hypothalmus, ADH↑ Blow MADH.Plasma Volum 1. Plasma osmolarity. Urin Volum↓. Urin osmolarity. ADHVASO Perssin: Action:- Anti diretic "H" 1' water Reabsorption. in Late Segment of Nephron. DCT, CT.CD. By V2 Receptor open (Aquparin 2) V2 R, Icamp. 2) Larg dose =>V.C =>B.P↑ By Vireceptor act By TIP3, IDAG. 3) Oxytocin like Action (Smooth muscle contraction) GIT Colic Bronchus B.C_Utras contraction. Hormones Acting on the Nephron./ Diuretics and Their Site of Action ADH disorders:- DiSecretion ADH (Daibitus Insepidus).D.I. Type:- A) Nurogenic_central & Nephrogenic_perphral. Symptom and Sign --D polyurea 2) poly Dypsia 3) Loss of Water Soluble Vit effect of ADH therepy. Oxytocin Action:- DFemale Utric contraction (Smooth muscle contraction). Oxytocin * ejection or Excretion of milk Lactation. 2) male eject and transport Sperm In Vasa Deffrance. mgoepthail cell contractio 3) ADH Like Action.