⚫️Somatostatin 🟣مكان الافراز؟ D cells in GIT mucosa➡️ 65% Delta cells of pancreatic islets➡️ 35% 🔶️ايه المحفز؟ انه وجود عند الخلايا Glucose and amino acids أو لو فى احماض عند antrum أو Deudenum 🛑طب بيعمل ايه؟ ده هرمون مخنوق من حياته مش طايق حد بيعمل inhibition لكل حاجه 1️⃣ inhibit secretion of gastrin , CCK , VIP , GIP secretin and motilin 2️⃣ inhibit endocrine and exocrine pancreatic secretion 3️⃣ inhibit gastrin motility and acid-induced gastrin secretion 4️⃣ inhibit contraction of Gall Bladder and absorption of glucose , amino acids and TAG