Respiratory System Laboratory S.K. Kim. 124F Middle nasal choncha Inferior nasal choncha 124 124P Nasal septum Nasal cavity Nasal vestibule #124, #124P,

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Presentation transcript:

Respiratory System Laboratory S.K. Kim

124F Middle nasal choncha Inferior nasal choncha P Nasal septum Nasal cavity Nasal vestibule #124, #124P, #124F

124F: nasal vestibule

#124: Nasal mucosa (Ep + Lamina propria) Nasal mucosa respiratory epithelium sero-mucous glands dilated venules and veins

# 124 #124 Olfactory Mucosa ? (monkey) Nasal septum

Nasal mucosa Throughout the nasal cavity. Respiratory epithelium with goblet cells. Sero-mucous glands in the lamina propria. Dilated venules and veins. Olfactory mucosa Limited to a small area on the roof. Taller epithelium with no goblet cells. (Only) serous glands (Bowman’s) in the lamina propria. Dilated venules and veins. Olfactory nerve Bowman’s gland

115 (H&E) Sagital section of the palate palatal and maxillary bone formation Nasal cavity Oral cavity Upper lip Gingiva (gum) Developing tooth Rotate 180 o

Nasal cavity, Pharynx and Larynx Oropharynx Laryngopharynx Trachea Esophagus Larynx Nasal cavity (septum) Nasopharynx chonchae Epiglottis Posterior view

#125-2 Larynx Thyroid cartilage Laryngeal ventricle Clemente pl. 562 Gray’s p.956

Vestibular fold (false vocal fold) (true) Vocal fold #125-2 Larynx

Respiratory epithelium Stratified squamous epithelium, non-keratining

#40; Trachea Respiratory epithelium Basement membrane Elastic fibers

#126 Trachea Esophagus esophagus trachea Trachealis muscle

#127 Trachealis Muscle (smooth)

#130-1 Lung 2? 1? Bronchus Pulmonary artery Bronchi

#130-1 Lung Pulmonary artery Close to bronchial trees relatively thin wall (media) elastic laminae relatively wide lumen

#130-1 Lung Broncial cartilage 4? 3? Bronchial vein Bronchial artery Only in the wall of large bronchi. Ordinary arteries with relatively thick media.

#130-1 Lung Ciliated and non- ciliated (Clara) cells No goblet cells Prominent sm. M. Ciliated cells non-ciliated cells Smooth muscle Bronchiole

#132-2 (Terminal) Bronchiole & Pulmonary artery Bronchiole P. A. Smooth Muscle

#132 Lung 6? 5? 7? Terminal bronchiole Respiratory bronchiole P.A. Low cells alveolar pocketing Knobs of sm. muscle (arrows)

#129 Lung 8? Alveolar duct 9? alveoli Alveolar sac

#130-1 Lung Type I Pneumocyte Type II Pneumocyte (surfactant) Macrophage 10? 11? 12?

#130-1 Lung Pulmonary vein Away from bronchial trees thin wall 13?

#130-2 Lung Pulmonary vein

#129 Lung ? ? ?