Anhui Medical University Surface of the mucosa (trachea
Anhui Medical University Surface of the mucosa (trachea)
Anhui Medical University 2.Goblet cells Next most abundant cells Mucus granules in apical portion. Secrete mucus,which form a continuous mucous layer over the ciliary layer
Anhui Medical University 2. Goblet cells • Next most abundant cells. • Mucus granules in apical portion. • Secrete mucus,which form a continuous mucous layer over the ciliary layer
Anhui Medical University 3.Brush cells microvilli Columnar cells contain numerous microvilli. function:not very clear, may be i.become into ciliated cell ii.receive sensory stimuli- epitheliodendritic synapse Brush cell
Anhui Medical University 3. Brush cells • Columnar cells contain numerous microvilli. • function: not very clear, may be i. become into ciliated cell ii. receive sensory stimuliepitheliodendritic synapse microvilli Brush cell
4.Basal cells Anhui Medical University pyramidal,basally- located Generative stem cells, undifferentiated cell→ciliated cell or goblet cell Basal cells Small granule cells
Anhui Medical University 4. Basal cells • pyramidal, basallylocated • Generative stem cells, undifferentiated cell→ciliated cell or goblet cell Basal cells Small granule cells
Anhui Medical University 5.Small granule cells diffuse neuroendocrine cell -less,pyramidal,Numerous granules -Function:secret hormones to regulate contract of SM and secretion of gland clear basement membrane
Anhui Medical University 5. Small granule cells - diffuse neuroendocrine cell -less, pyramidal, Numerous granules -Function: secret hormones to regulate contract of SM and secretion of gland * clear basement membrane