10. OMENTAL BURSA (Lesses Sac) Boundaries Simplified! | Must-Know for NEET PG, USMLE & FMGE скачать в хорошем качестве

10. OMENTAL BURSA (Lesses Sac) Boundaries Simplified! | Must-Know for NEET PG, USMLE & FMGE

𝐒𝐮𝐛𝐬𝐜𝐫𝐢𝐛𝐞 𝗙𝐨𝐫 𝗠𝐨𝐫𝐞 𝗜𝐧𝐟𝐨𝐫𝐦𝐚𝐭𝐢𝐨𝐧 𝐨𝐧 𝗛𝐞𝐚𝐥𝐭𝐡 👩‍⚕‍ 𝐚𝐧𝐝 𝗠𝐞𝐝𝐢𝐜𝐢𝐧𝐞💉🩺💊 📌𝗜𝗻𝘀𝘁𝗮𝗴𝗿𝗮𝗺 :   / clinical.learning   The omental bursa, also referred to as the lesser sac, is a potential peritoneal space situated posterior to the stomach and lesser omentum. It forms an essential part of the complex peritoneal cavity and has distinct anatomical boundaries that are crucial to understand for both theoretical exams and surgical practice. The anterior boundary of the omental bursa is formed by the posterior layer of the lesser omentum, the posterior surface of the stomach, and the anterior two layers of the greater omentum. Clinically, this boundary is significant because gastric perforations and lesser sac abscesses can involve this surface. The posterior boundary consists of structures lying retroperitoneally: the peritoneum covering the pancreas, left suprarenal gland, left kidney, and the upper part of the transverse mesocolon. The superior boundary includes the caudate lobe of the liver and the diaphragm, specifically the peritoneum over the caudate process, which arches above the lesser sac. The inferior boundary is formed by the layers of the greater omentum, where the anterior and posterior leaves of the omental apron fuse together before descending and folding back up again. On the left side, the lesser sac is bounded by the splenorenal ligament, gastrosplenic ligament, and the hilum of the spleen. On the right side, it opens into the greater sac through the epiploic foramen (foramen of Winslow), which is the only natural communication between the lesser and greater sacs of the peritoneal cavity. This foramen lies posterior to the free edge of the lesser omentum (hepatoduodenal ligament), containing the portal triad – the common bile duct, portal vein, and hepatic artery proper. Knowledge of these anatomical limits is essential for understanding peritoneal fluid collections, internal hernias, surgical access routes to retro-gastric structures, and pathologies such as lesser sac abscesses and pancreatitis complications. #OmentalBursa #LesserSac #PeritonealAnatomy #NEETPG #USMLE #FMGE #INICET #AnatomyLecture #SurgicalAnatomy #EpiploicForamen #Pancreatitis #DrGBhanuPrakash