Anatomy of the Heart External amp Internal Structures

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Content: • 0:00 Introduction • 0:33 Blood Circulation System • 2:57 External Structures of the Heart • 4:51 Internal Structures of the Heart • 5:51 Right Atrium • 10:35 Right Ventricle • 14:18 Left Atrium • 15:35 Left Ventricle • ------------------------------- • 🫀 Join: / @taimtalksmed • 📷 Follow my IG: / taimtalksmed • 💝 Donation link: https://www.buymeacoffee.com/taimtalk... • ------------------------------- • The images featured in this video are sourced from the Complete Anatomy program by ‪@CompleteAnatomyElsevier‬, used under licensed permission. • Blood Circulation in the Body: • Pulmonary Circulation (Circulus Sanguid Minor): • ○ Deoxygenated blood comes from the body into the right atrium through the superior and inferior vena cava. • ○ Blood goes through the Tricuspid valve into the right ventricle • ○ The right ventricle pumps blood through the pulmonary valve into the pulmonary artery • ○ The pulmonary artery pumps blood into the lungs • Circulus Sanguis major (Systemic Circulation): • ○ Blood comes from the lungs into the left Atria • ○ The left atria send blood through the bicuspid valve into the left ventricle. • ○ The left ventricle sends blood through the Aortic Valve into the Aorta • ○ Aorta sends blood to the body again • External Structures of the Heart: • Apex of the Heart (Apex Cordis) • Base of the Heart (Basis Cordis) • Pulmonary Surface (Facies Pulmonalis) • Sternocostal Surface (Facies Sternocostalis) • Diaphragmatic Surface (Facies Diaphragmatica) • Right Border of the heart / Right Margin of the heart (Margo Dexter Cordis) • Coronary Sulcus (Sulcus Coronarius) • Anterior Interventricular Sulcus (Sulcus Interventricularis Anterior) • Posterior Interventricular Sulcus (Sulcus Interventriculare Posterior) • Internal Structures of the Heart: • Septum of the Heart (Septum Cordis) • ○ Interventricular Septum (Septum Interventriculare) • § Muscularis Part (Pars Muscularis) • § Membranous Part (pars Membranacea) • ○ Interatrial Septum (Septum Interatriale) • Anatomy of the right atrium: • Anterior Wall: Right Auricle (Auricula Dextra) • Lateral Wall: Right Auricle (Auricula Dextra) • ○ Pectinate Muscle (Musculus Pectinati) in the auricle • Superior Wall: Opening of Superior Vena Cava (Ostium Vena Cava Superioris) • Posterior Wall: • ○ Opening of Inferior Vena Cava (Ostium Vena Cava Inferiores) • ○ Sinus of Vena Cava (Sinus Venarum) (Sinus Venarum Cavarum) • ○ Terminal Crest (Crista Terminalis) • ○ Valve of the Inferior Vena Cava (Vulva Venae Cavae Inferioris) • Medial Wall: Interatrial Septum • ○ Oval Fossa (Fossa OValis) • ○ Border of Fossa Ovale (Limbius Fossa Ovale) • ○ Opening for Coronary Sinus (Ostium Sinus Coronarii) • ○ Valve for the coronary sinus (Vulva Sinus Coronarii) • ○ Openings of smallest cardiac veins (Foramina Venarum Minmarum) • Inferior Wall: • ○ Right Atrioventricular Opening (Ostium Atrioventriculare Dextrum) • ○ Tricuspid Valve • Right Ventricle: • Base: • ○ Right Atrioventricular Opening • ○ Opening of Pulmonary Trunk (Ostium Trunci Pulmonalis) • Trabeculae Carneae • Papillary Muscles (Musculi Papillares) • Tricuspid Valve • ○ Anterior cusp • ○ Posterior cusp • ○ Septal cust • ○ Formed by Endocardium • ○ Fibrous Ring (Anulus Fibrosus) • ○ Tendinous Chord (Chordae Tendineae) • Pulmonary Valve • ○ Semilunar Cusps • ○ Fibrous Ring • ○ Nodules of the semilunar valve (Noduli Vulva Semilunaris) • ○ Sinuses of Pulmonary Trunk (Sinus Trunci Pulmonalis) • Left Atrium • Anterior Wall: • ○ Left Auricle (Auricula Sinister) • ○ Pectinate Muscle • Posterior Wall: • ○ Pulmonary Veins • ○ Openings of Pulmonary Veins (Ostia Venarum Pulmonalium) • Medial Wall: • ○ Interatrial Septum • Anterior Wall: • ○ Left Atrioventricular Opening (Ostium Atrioventriculare Sinister) • ○ Mitral Valve • Left Ventricle • Left Atrioventricular Opening • ○ Bicuspid Valve (Mitral Valve) • ○ Anterior Cusp (Cuspis Anterior) • ○ Posterior Cusp (Cuspis POsterior) • ○ Commissural Cusps (Cuspides Comissurales) • Aortic Opening (Ostium Aortae) • ○ Aortic Vestibule (Vestibulum Aortae) • ○ Aortic Valve (Vulva Aortae) • ○ Right Semilunar Cusp • ○ Posterior Semilunar Cusp • ○ Left Semilunar Cusp • Trabeculae Carneae • Papillary Muscles • Tendinous Chords • • Sources used in this video: • Memorix Anatomy 2nd Edition by Hudák Radovan (Author), Kachlík David (Author), Volný Ondřej (Author) • Complete Anatomy by 3d4medical • Biorender • University notes and lectures

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