Respiratory System Jr. / Sr. Anatomy and Physiology Ms. Walstedt.
The Anatomy and Physiology of the Respiratory System · The Anatomy and Physiology of the...
Transcript of The Anatomy and Physiology of the Respiratory System · The Anatomy and Physiology of the...
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CHAPTER 1
The Anatomy and Physiology
of the Respiratory System
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Sagittal Section of Upper Airway
Fig. 1-1. Sagittal section of
upper airway.
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Structure of the Nose
Fig. 1-2. Structure of the
nose.
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Sagittal Section Through Nose
Fig. 1-3. Sagittal section
through nose.
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Epithelium
Fig. 1-4. A. Stratified
squamous epithelium.
B. Pseudostratified columnar
ciliated epithelium.
C. Simple cuboidal
epithelium. D. Simple
squamous epithelium.
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Stratified Squamous Epithelium
Fig. 1-4. A. Stratified
squamous epithelium.
B. Pseudostratified columnar
ciliated epithelium.
C. Simple cuboidal
epithelium. D. Simple
squamous epithelium.
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Pseudostratified Columnar Ciliated Epithelium
Fig. 1-4. A. Stratified
squamous epithelium.
B. Pseudostratified columnar
ciliated epithelium.
C. Simple cuboidal
epithelium. D. Simple
squamous epithelium.
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Simple Cuboidal Epithelium
Fig. 1-4. A. Stratified
squamous epithelium.
B. Pseudostratified columnar
ciliated epithelium.
C. Simple cuboidal
epithelium.
D. Simple squamous
epithelium.
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Simple Squamous Epithelium
Fig. 1-4. A. Stratified
squamous epithelium.
B. Pseudostratified columnar
ciliated epithelium.
C. Simple cuboidal
epithelium.
D. Simple squamous
epithelium.
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Lateral View of the Head
Fig. 1-5. Lateral view of the
head, showing sinuses.
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Oral Cavity
Fig. 1-6. Oral cavity.
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The Pharynx
Fig. 1-7. View of the base
of the tongue, vallecula
epiglottica, epiglottis, and
vocal cords.
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Oral Endotracheal Tube
Fig. 1-8. An oral
endotracheal tube in proper
position in the trachea.
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Cystic Fibrosis
Fig. 1-9. Cystic fibrosis.
Pathology includes
(1) excessive production
and accumulation of thick
bronchial airway secretions,
(2) partial bronchial
obstruction and air
trapping, and (3) alveolar
hyperventilation.
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Misplaced Endotracheal Tube
Fig. 1-10. A. An
endotracheal tube misplaced
in patient’s esophagus.
B. Stomach inflated with air.
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Intrinsic Muscles of the Larynx
Fig. 1-11. Cartilages and
intrinsic muscles of the
larynx.
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Cartilages and Intrinsic Muscles of the Larynx
Fig. 1-11. Cartilages and
intrinsic muscles of the
larynx.
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Cartilages and Intrinsic Muscles of the Larynx
Fig. 1-11. Cartilages and
intrinsic muscles of the
larynx.
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Croup Syndrome
Fig. 1-12. Croup syndrome.
A. Acute epiglottis.
B. Laryngotracheobronchitis.
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Extrinsic Laryngeal Muscles
Fig. 1-13. Extrinsic laryngeal
muscles.
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Intrinsic Laryngeal Muscles
Fig. 1-14. Intrinsic laryngeal
muscles.
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The Lower Airways
Fig. 1-15. Tracheobronchial
tree.
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Structures of the Lungs
Table 1-1
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Histology of the Tracheobronchial Tree
Fig. 1-16. Histology of the
tracheobronchial tree.
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Epithelial Lining of the Tracheobronchial Tree
Fig. 1-17. Epithelial lining of
the tracheobronchial tree
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Mast Cells in the Lamina Propria
Fig. 1-18. Cross section of a
bronchus showing the mast
cells in the lamina propria.
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Immunologic Mechanisms
Fig. 1-19. Immunologic
mechanisms.
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Tracheal Bronchial Tree
Fig. 1-20. Tracheal bronchial
tree.
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Cross Section of Trachea
Fig. 1-21. Cross-section of
trachea.
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Endotracheal Tube in Right Main Stem
Fig. 1-22. A. Endotracheal
tube in right main stem.
B. Same patient 20 minutes
after after tube pulled back.
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Canals of Lambert
Fig. 1-23. Canals of Lambert.
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Cross-section of Bronchial Area
Fig. 1-24. Cross-section of
bronchial area.
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The Sites of Gas Exchange
Fig. 1-25. Schematic drawing
of the primary lobule.
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Alveolar-Capillary Network
Fig. 1-26. Alveolar-capillary
network.
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Interstitium
Fig. 1-27. Interstitium.
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The Pulmonary Vascular System
• Arteries
• Arterioles
• Capillaries
• Venules and veins
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Major Pulmonary Vessels
Fig. 1-28. Major pulmonary
vessels.
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Pulmonary Blood Vessels
Fig. 1-29. Schematic drawing
of components of the
pulmonary blood vessels.
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The Lymphatic System
Fig. 1-30. Lymphatic vessels
of the bronchial airways,
pulmonary arteries, and
veins.
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Lymph Nodes
Fig. 1-31. Lymph nodes.
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Lymphatic Vessels of the Visceral Pleura
Fig. 1-32. Lymphatic vessels
of the visceral pleura of the
lungs.
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NEURAL CONTROL
OF THE LUNGS
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Some Effects of Autonomic Nervous System Activity
Table 1-2
Sympathetic Parasympathetic
Effector Site Nervous System Nervous System
Heart Increased rate Decreased rate
& Strength contraction & Contraction Strength
Bronchial smooth muscle Relaxation Constriction
Bronchial glands Decreases secretions Increases secretions
Salivary glands Decreases secretions Increases secretions
Stomach Decreases motility Increases motility
Intestines Decreases motility Increases motility
Eyes Widens pupils Constricts pupils
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The Lungs
Fig. 1-33. Anterior view of
the lungs.
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Medial View of the Lungs
Fig. 1-34. Medial view of the
lungs.
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The Lungs and Thorax
Fig. 1-35. Anatomic
relationship of the lungs and
the thorax.
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Lung Segments
Fig. 1-36. Lung segments.
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Major Structures Surrounding the Lungs
Fig. 1-37. Major structures
surrounding the lungs.
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Thorax
Fig. 1-38. The thorax.
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Intercostal Space
Fig. 1-39. The intercostal
space.
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The Diaphragm
Fig. 1-40. The diaphragm.
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The Accessory Muscles of Inspiration
• Scalenus muscles
• Sternocleidomastoid muscles
• Pectoralis major muscles
• Trapezius muscles
• External intercostal muscles
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Scalenus
Fig. 1-41. Scalenus muscles.
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Sternocleidomastoid
Fig. 1-42.
Sternocleidomastoid
muscles.
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Pectoralis Major Muscles
Fig. 1-43. Pectoralis major
muscles.
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Pectoralis Major Muscles for Inspiration
Fig. 1-44. Using the
pectoralis major muscles
for inspiration.
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Trapezius Muscles
Fig. 1-45. Trapezius
muscles.
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Action of the Trapezius Muscles
Fig. 1-46. Shrugging of
shoulders typifies the action
of the trapezius muscles.
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Intercostal Muscles
Fig. 1-47. Internal and
external intercostal muscles.
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Accessory Muscles of Expiration
• Rectus abdominis muscles
• External abdominis obliquus muscle
• Internal abdominis obliquus muscles
• Transversus abdominis muscles
• Internal intercostal muscles
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Muscles of Expiration
Fig. 1-48. Accessory
muscles of expiration.
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Muscles of Expiration
Fig. 1-49. The collective
action of the accessory
muscles of expiration.