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This Concept Map, created with IHMC CmapTools, has information related to: 28a3. Conducting Bronchi, Conducting respiratory system part of Respiratory system, BRONCHI spit into Tertiary (segmental) bronchi, BRONCHI based on BRONCHIAL TREE -Begins at bifurcation of trachia -Arborization -Includes bronchi outside and inside lungs, Clara cells -Columnar -Short microvilli -Apical cytoplasm has granules functions of clara cells -Stem cells -For both ciliated and non-ciliated cells -Detox, -Sympathetic -Increase diameter -Relax -B2 adrenergic receptors -Parasympathetic -Decrease diameter -Constrict -Muscarinic receptors see CaTOS-Block3 -Adrenergic receptors -Cholinoreceptors receptors, -Histamine -Leukotrienes -Prostaglandins All cause constriction -Opposite of smooth muscle everywhere else see -Prostaglandins (MBM-2), Clara cells -Columnar -Short microvilli -Apical cytoplasm has granules functions of clara cells -Surfactant-LIKE material, -Decrease in lumen diameter -Increase in surface area -Decrease in cartelage -Increase in smooth muscle -Increase in elastic fibers relative to diameter -Decrease in hight and number of cilia -Decrease in number of glands see -Elastic fibers (CaTOS-1), Respiratory portion part of Respiratory system, BRONCHI located below Mid-upper conducting respiratory system, BRONCHIAL TREE -Begins at bifurcation of trachia -Arborization -Includes bronchi outside and inside lungs with successive branching -Decrease in lumen diameter -Increase in surface area -Decrease in cartelage -Increase in smooth muscle -Increase in elastic fibers relative to diameter -Decrease in hight and number of cilia -Decrease in number of glands, -Stem cells -For both ciliated and non-ciliated cells -Detox stem cells regenerate epithelium Epithelium = Simple cuboidal (ciliated), BRONCHI located above Respiratory portion, Secondary (lobular) bronchi number of bronchi One for each lobe -2 on left lung -3 on right lung, -Sympathetic -Increase diameter -Relax -B2 adrenergic receptors -Parasympathetic -Decrease diameter -Constrict -Muscarinic receptors note affects of -Histamine -Leukotrienes -Prostaglandins All cause constriction -Opposite of smooth muscle everywhere else, BRONCHI spit into Secondary (lobular) bronchi, Conducting Bronchioles -NO cartelage -Smooth muscle instead -No glands -Epithelium = Simple columnar ciliated -Goblet cells nerve stimulation -Sympathetic -Increase diameter -Relax -B2 adrenergic receptors -Parasympathetic -Decrease diameter -Constrict -Muscarinic receptors, DIRECTION OF DIVISON DIRECTION OF DIVISION, BRONCHI spit into Primary (main) bronchi -Identical in structure to trachea -except: thinner, smaller diameter -O-rings instead of C-rings, BRONCHI spit into Terminal bronchioles -End of conducting system