lecture 2_1-1

Lecture 2_1-1 - Respiratory System Function Gas Exchange Vocalization Smell Control of pH Divisions Upper Lower Conducting System Trachea Tracheal

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Unformatted text preview: Respiratory System Function Gas Exchange Vocalization Smell Control of pH Divisions Upper Lower Conducting System Trachea Tracheal rings Trachealis muscle Cilliated epithelium (mucocilliary escalator) Conducting System Carina 1 = main bronchi 2 = lobar bronchi 3 = segmental bronchi Conducting System Bronchioles Smooth muscle Non-ciliated (generally) macrophages Conducting System Alveoli Gas exchange Capillary basket Clinical Cystic Fibrosis Asthma Emphysema Lungs Lobes Fissures Lungs Mediastinal surfaces "root" Pulmonary A/V Trachea Segmentation Autonomous segments Tertiary bronchi Clinical and surgical importance Visceral pleura Parietal pleura Pleural cavity Pleura Breathing Inhalation Diaphragm down, ribs elevated pressure decrease Air rushes in Exhalation Diaphragm up, ribs depressed Pressure increase Air forced out Clinical Pleurisy - inflammation of pleura = pain Pleuritis - dry pleural surfaces = pain Pneumothorax Air, blood, fluid in pleural cavity Hemothorax resulting in lung collapse Hydrothorax ...
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This note was uploaded on 04/27/2009 for the course BIOL 240 taught by Professor Mcleod during the Spring '08 term at Kansas.

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