Content: 0:00 Introduction 0:29 Topography of the Stomach 1:56 External Features of the Stomach 2:30 Parts of the Stomach 3:56 Layers of the Gastric Wall ------------------------------- 🫀 Join: 📷 Follow my IG: 💝 Donation link: ------------------------------- Topography of Gaster: - Holotopy: Lies in the Epigastric Region and Left Hypochondriac Region (Left upper quadrant). ○ From Cardiac Orifice (Ostium Cardiacum) ○ To Pyloric Orifice (Ostium Pyloricum) - Syntopy: ○ Anterior wall: Diaphragm, Liver, Anterior abdominal wall ○ Posterior Wall: Left Kidney, Spleen, Pancreas, Transverse Colon External Features: - Lesser Curvature (Curvatura Minor) ○ Angular Notch (Incisura Angularis) - Greater Curvature (Curvatura Major) ○ Cardiac Notch (Incisura Cardialis) Parts of the Stomach: - Cardiac Part (Pars Cardiaca) - Fundus (Fundus Gastricus) - Body of Gaster (Corpus Gastricum) - Pyloric Part (Pars Pylorica) ○ Pyloric Antrum (Antrum Pyloricum) ○ Pyloric Canal (Canalis Pyloricus) Layers of the Gastric Wall: - Tunica Mucosa (2-3 cm) ○ Gastric Folds (Plicae Gastricae) ○ Areae Gastricae ○ Simple Columnar Epithelium ○ Gastric Pit (Foveolare Gastricae) ○ Lamina Propria ○ Muscularis Mucosa - Tela Submucosa ○ Loose Connective Tissue - Tunica Muscularis ○ Smooth muscles ○ Inner: Oblique muscle Layer ○ Middle: Circular Muscle Layer § Pyloric Sphincter (musculus sphincter pyloricus) ○ Outer: Longitudinal Muscle Layer - Tunica Serosa ○ Formed by the Peritoneum Sources used in this video: - Memorix Anatomy 2nd Edition by Hudák Radovan (Author), Kachlík David (Author), Volný Ondřej (Author) - Biorender - University notes and lectures