270 likes | 506 Vues
Chapter 38. Anatomy of the Respiratory System. Processes of respiration. Pulmonary ventilation External respiration Transport of respiratory gases Internal respiration or cellular respiration. Upper respiratory system structures. Upper respiratory system structures. Nose External nares
E N D
Chapter 38 Anatomy of the Respiratory System
Processes of respiration • Pulmonary ventilation • External respiration • Transport of respiratory gases • Internal respiration or cellular respiration
Upper respiratory system structures • Nose • External nares • Nasal cavity • Nasal septum • Nasal conchae • Superior, middle, inferior • Air turbulence
Upper respiratory system structures • Meatus • Superior • Middle • Inferior • Function of the nose • Warm the air • Moister the air • Filter the air
Upper respiratory system structures • Olfactory receptors • Paranasal sinuses • Maxillary • Frontal • Ethmoidal • Sphenoidal
Upper respiratory system structures • Function of the paranasal sinuses • Resonance of the air • Warm the air • Moister the air • Palate • Separates the nasal cavity from the oral cavity • Soft, hard • Cleft palate
Upper respiratory system structures • Oral cavity • Pharynx • Nasopharynx • Above the soft palate • Internal nares • 1 Pharyngeal tonsil • Pharyngotympanic tubes • Otites media
Upper respiratory system structures • Oropharynx • From the soft palate to the epiglotis • Carries food and air • 2 Palatine tonsils • 2 Lingual tonsils • Laryngopharynx • Posterior and inferior to the epiglotis
Upper respiratory system structures • Larynx • 1 thyroid cartilage • Laryngeal prominence • 1 cricoid cartilage • 2 cuneiform cartilages • 2 corniculate cartilages • 2 arytenoid cartilages
Upper respiratory system structures • 1 epiglottis cartilage (elastic cartilage) • Vestibular folds • Vocal ligaments or vocal cords • Glottis
Lower respiratory system structures • Trachea • From the larynx to the sternal angle • Tracheal cartilages • C-shaped • incomplete
Lower respiratory system structures • Microscopic anatomy • Lumen • Respiratory epithelium (mucous membrane) • Pseudostratified columnar • Cilia • Goblet cells
Lower respiratory system structures • Submucosa • Seromucous glands • Smooth muscle • Cartilage • Adventitia
Lower respiratory system structures • Bronchus • Primary • Right is wider, shorter, more vertical • Left • Carina • Secondary • Lung hilus
Lower respiratory system structures • Tertiary…. • Bronchioles (no cartilage) • Terminal • Respiratory • Microscopic anatomy of bronchi • Lumen • Respiratory epithelium • Smooth muscle • Hyaline cartilage
Lower respiratory system structures • Alveolar sac • Alveolar duct • Alveoli • Simple squamous epithelium • Air-blood barrier (respiratory membrane) • Capillary wall • Alveoli wall
Lower respiratory system structures • Respiratory zone structures • Respiratory bronchioles • Alveolar ducts • Alveolar sacs • Conducting zone structures • All the other respiratory structures • Anatomical dead space
Lower respiratory system structures • Lungs • Apex • Base • Root • Connection with mediastinum • Hilus • Costal surface • Cardiac notch (left lung)
Lower respiratory system structures • Lobes • 3 on the right • 2 on the left • Fissures • Right lung • Horizontal and oblique • Left lung • Oblique
Lower respiratory system structures • Pleura • Visceral • Parietal • Pleural cavity • Pleural fluid
Cat Structures to be identified • Trachea • Thyroid cartilage • Primary bronchi • Right • Left • Secondary bronchi • Right • Left • Lungs