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ANATOMY KEY POINTS 📌Branches Of the Abdominal Aorta 👉Celiac Trunk 👉Superior Mesenteric Artery 👉Inferior Mesenteric Artery 📌Branches of Celiac Trunk 👉Left Gastric Artery 👉Common Hepatic Artery 👉Splenic Artery 📌LIGAMENTS OF THE LIVER 👉Falciform ligament; which binds the liver to the anterior abdominal wall 👉Hepatogastric ligament; which binds the liver to the stomach 👉Hepatoduodenal ligament; which binds the liver to the duodenum 📌Extrinsic Muscles Of The Tongue 👉Genioglossus Muscle 👉Hyoglossus Muscle 👉Styloglossus Muscle 👉Palatoglossus Muscle 📌Intrinsic Muscle of the Tongue 👉Superior longitudinal muscle 👉Inferior longitudinal muscle 👉Transverse Muscle 👉Vertical Muscle 📌Blood Supply of the Tongue 👉Lingual Artery, a branch of the external carotid artery 📌Nerve supply of the Tongue 👉Hypoglossal Nerve 👉Pharyngeal Plexus 📌Venous Drainage of the Brain 👉Superior cerebral vein 👉Inferior cerebral vein 👉Superficial middle cerebral vein 👉inferior middle cerebral vein 👉Great cerebral vein 📌Branches Of the Cerebral Artery 👉Anterior Cerebral artery; supply most of the Superior surfaces of the brain and frontal pole 👉Middle Cerebral Artery; supply the lateral surface of the brain and the temporal pole 👉Posterior Cerebral artery; supply the inferior surface of the brain and occipital pole 📌Arterial Supply to the Pericardium 👉Pericardiacophrenic Artery; branch of internal thoracic artery (Majorly) 👉Coronary Artery (minorly) 👉Musculophrenic Artery; branch of the internal thoracic artery 📌Branches of the Right Coronary Artery 👉Sino-atrial nodal branch which supplies Sino-atrial node of the heart 👉Right Marginal Artery which supplies the Right border of the heart 👉Posterior intraventricular branch that supplies adjacent aspect of right ventricles and posterior intraventricular sulcus 👉Atrio-ventricular nodal branch that supplies AV node 📌Branches of the Left Coronary Artery 👉Anterior intraventricular branch that supplies the adjacent aspect of the left ventricle 👉Circumflex Artery which gives branch to Left Marginal Artery that supplies the Left border of the heart 📌Walls/Layers of The Heart 👉Endocardium 👉Myocardium which constitutes the muscles of the Heart 👉Epicardium, which is formed by the visceral part of the serous pericardium 📌Venous Drainage Of The Heart 👉Coronary Sinus (Main Vein of the Heart) 👉Anterior cardiac vein; which empties into the right atrium directly 👉Small cardiac vein; which drains the part supplied by the Right coronary artery 👉Middle Cardiac Vein which accompanies the Posterior intraventricular branch of the Heart 📌DIVISION OF THE MEDIASTENUM 👉Superior Mediastenum; which is bounded inferiorly by the transverse thoracic plane that extends from the sternal angle and the intervertebral disc of the T4-T5 and superiorly by the Superior thoracic Aperture 👉Inferior Mediastenum; which is bounded Superiorly by the transverse thoracic plane and inferiorly by the Superior part of the diaphragm Note: The Inferior Mediastenum is divided by the pericardiac sac into Anterior, middle and posterior mediastenum. 📌MUSCLES OF THE POSTERIOR THIGH 👉Biceps Femoris 👉Semitendinosus 👉Semimembranosus 📌MUSCLES OF THE ANTERIOR THIGH 👉Iliopsoas 👉Quadricep femoris 👉Satorius 👉Pectineus 📌TYPES OF RIBS 👉True Ribs(Vertebrosternal Ribs - 1-7ribs) : They are ribs whose Costa cartilage attach directly with the body of sternum 👉False Ribs(Vertebrochodral Ribs 8-10ribs): They are ribs that articulate with the costal cartilage of the ribs Superior to them 👉Floating Ribs(Vertebral Ribs 11 & 12ribs): They don't attach to the sternum but end in the posterior musculature. 📌JOINTS OF THE THORACIC CAGE 👉Interchondral joint 👉Costochondral joint 👉Sternocostal joint 👉Costotransverse joint