Anatomy and Cell Biology 3319 Lecture Notes - Lecture 38: Respiratory Center, Pneumothorax, Rib Cage

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24 Mar 2017

School

Western University

Department

Anatomy and Cell Biology

Course

Anatomy and Cell Biology 3319

Professor

Peter Merrifield

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Document Summary

Posterior ends of ring joined by smooth muscle (trachealis) Carina = branching point into bronchi: bronchopulmonary segments each have their own air & blood supply. Thoracic cavity consists of a parietal & visceral pleura. Between these two pleurae is the pleural cavity: at the front of the chest, the ribs and van are located in between the pleura. The root of the lungs is where the primary bronchi, pulmonary artery & veins enter and exit (also known as the root/hilus of the lung: hilum of the lung (mediastinal surface of the lung): Primary bronchus bifurcates earlier than the left lung. The principle of serous cavity formation is identical to pushing a fist inside a balloon. Clinical condition: pleural effusion: white arrows indicate areas of fluid accumulation below both lungs. Lung: surface anatomy & bronchial tree: right side: 1) superior lobe, 2) middle lobe, 3) inferior lobe.

Related Questions

1. Match the word 1-39 above, with the descriptions labled a-t. Word 1-39 can be uses only one please!!

1. alveolar macrophages 2. alveoli 3. Bohr effect 4. bronchi 5. bronchiole 6. cerebral cortex 7. chloride shift 8. compliance 9. costal breathing 10. Daltonâs law 11. diaphragmatic breathing 12. epiglottis 13. eupnea 14. expiratory reserve volume 15. fauces 16. functional residual capacity 17. Haldane effect 18. Henryâs law 19. hilum 20. hypothalamus 21. inferior, middle, and superior nasal meatuses 22. inspiratory capacity 23. larynx 24. limbic system 25. medulla oblongata 26. nose 27. paranasal sinuses 28. pharynx 29. pleural membranes 30. pons 31. primary bronchus 32. secondary bronchus 33. surface tension 34. surfactant 35. terminal bronchiole 36. tertiary bronchus 37. total lung capacity 38. trachea 39. vital capacity

a) -------------------- serves as a sound resonating chamber; contains tonsils; directs air inferiorly

b) ------------------- passes air from pharynx into windpipe; site of sound production

c) ------------------ resonate(s) sound; not part of pharynx

D) ------------------ opening from oral cavity into pharynx

E) ----------------- carries air to a segment of a lung

F) -------------------- carries air directly into a respiratory bronchiole

G) ----------------- surround the lungs

H) ------------------ reduces surface tension at sites of gas exchange

i) -------------------- actual sites of gas exchange

j) --------------------- normal, quiet breathing

k) ----------------------- shallow breathing using just the external intercostal muscles

l) ------------------ amount of effort required to expand the lungs and chest wall

m) ------------------- tidal volume + inspiratory reserve volume, usually about 3600 mL in males

n) ----------------- tidal volume + inspiratory reserve volume + expiratory reserve volume; usually about 4800 mL in males

o) ------------------- residual volume + expiratory reserve volume; usually about 2400 mL in males

p) -------------------- states that the amount of gas that will dissolve in a liquid is proportional to the partial pressure of that gas and its solubility

q) ---------------- when pH decreases, O₂ saturation of hemoglobin decreases

r) ------------------ each gas in a mixture of gases exerts its own partial pressure

s) ------------------- sets basic rhythm of breathing

t) ------------------------ includes the pontine respiratory group

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Anatomy and Cell Biology 3319 Lecture Notes - Lecture 38: Respiratory Center, Pneumothorax, Rib Cage

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