chapter 1 Respiratory System
Chapter 15 Respiratory System
Components nose pharynx --larynx -trachea -bronchi lung
1. Components ---nose ---pharynx ---larynx ---trachea ---bronchi ---lung
2 Trachea and main bronchi three layers 1) Mucosa --epithelium pseudostratified ciliated columnar epithelium lamina propria: CT, contain LC, PC, MC, BV, LV
2. Trachea and main bronchi three layers 1) Mucosa: ---epithelium: pseudostratified ciliated columnar epithelium ---lamina propria: CT, contain LC, PC, MC, BV, LV
Pseudostratified ciliated columnar epi ciliated cell columnar cilia goblet ce‖ ●/ basal cel: -pyramidal, basally- located -undifferentiated cell->ciliated cell or goblet cell
Pseudostratified ciliated columnar epi. ciliated cell: columnar, cilia goblet cell basal cell: -pyramidal, basallylocated -undifferentiated cell→ciliated cell or goblet cell
● brush ce columnar microvi EM: RER, no g 刷细胞刷细胞杯状基细胞纤毛小颗粒细胞 细胞 细胞 function: not very clear, may be become into ciliated cell receive sensory stimuli epitheliodendritic synapse
brush cell: -columnar, microvilli, -EM: RER, no g. -function: not very clear, may be i. become into ciliated cell ii.receive sensory stimuliepitheliodendritic synapse