FRCA Anatomy of heart and lungs

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Across
  1. 1. Ventricular muscle attached to valve leaflets via chordae tendineae.
  2. 5. Wider, shorter and more vertical airway prone to foreign body entry.
  3. 9. Muscular ridge separating smooth and rough right atrium.
  4. 11. Two-leaflet valve between the left atrium and ventricle.
  5. 14. Last purely conducting airway.
  6. 16. Pain-sensitive pleural layer lining the thoracic cavity.
  7. 17. Opening between the true vocal cords.
  8. 20. Neurovascular structure lying beneath each rib in the costal groove.
  9. 22. Elastic cartilage covering the laryngeal inlet during swallowing.
  10. 24. Airway extending from the cricoid cartilage to the carina.
  11. 26. Airway immediately distal to the tracheal bifurcation.
  12. 29. Surface landmark corresponding to the second rib and tracheal bifurcation.
  13. 30. Diaphragmatic opening transmitting the aorta at T12.
  14. 32. Cell producing pulmonary surfactant.
  15. 35. Immune cell responsible for phagocytosis within alveoli.
  16. 36. Valve separating the right atrium and right ventricle.
  17. 38. Lowest part of the pleural cavity where fluid accumulates.
  18. 40. Structures defining the glottic opening.
  19. 41. Diaphragmatic opening transmitting the oesophagus at T10.
  20. 42. Primary site of gas exchange.
  21. 43. Muscle elevating the ribs during inspiration.
  22. 45. Principal muscle of inspiration.
  23. 46. Structure that penetrates the cardiac fibrous skeleton.
  24. 47. Conducting pathway supplying the right ventricle.
  25. 48. Branch commonly arising from the right coronary artery supplying the RV.
  26. 49. Bronchus passing beneath the aortic arch.
  27. 50. Fibrous insertion of the diaphragm.
Down
  1. 2. Natural pacemaker of the heart, located near the SVC-right atrial junction.
  2. 3. Conducting tissue located in the triangle of Koch.
  3. 4. Depression in the interatrial septum marking the fetal foramen ovale.
  4. 6. Only complete cartilaginous ring of the airway.
  5. 7. Branch of the left coronary artery running in the atrioventricular groove.
  6. 8. Vessel usually supplying the AV node in right-dominant circulation.
  7. 10. Fibrous cords preventing valve prolapse during systole.
  8. 12. Largest laryngeal cartilage.
  9. 13. Artery defining coronary dominance.
  10. 15. Most anterior cardiac valve.
  11. 18. Muscle mainly active during forced expiration.
  12. 19. Rapidly conducting fibres responsible for ventricular depolarisation.
  13. 21. Coronary artery running in the anterior interventricular groove.
  14. 23. Motor nerve supplying the diaphragm.
  15. 25. First airway containing alveoli in its walls.
  16. 27. Main venous drainage of the myocardium.
  17. 28. Semilunar valve giving rise to the coronary arteries just above its cusps.
  18. 31. Diaphragmatic opening transmitting the inferior vena cava at T8.
  19. 33. Conducting pathway dividing into anterior and posterior fascicles.
  20. 34. Ridge at the tracheal bifurcation, highly sensitive to stimulation.
  21. 37. Substance reducing alveolar surface tension.
  22. 39. Pleural layer adherent to the lung surface.
  23. 44. Thin squamous cell responsible for most gas diffusion.