Professor Hall’s research has focused on retinal biochemistry, retinal degeneration, cellular interaction and metabolism of retinal pigment epithelium, authoring many papers on these topics. The striated ducts lead into interlobular (excretory) ducts, lined with a tall columnar epithelium. Figure C13. Identify the columnar epithelium in sections of vertebrate gallbladder and intestine (Figs. The diameter of the bronchioles is often said to be less than 1 mm, though this value can range from 5 mm to 0.3 mm. Ciliated simple columnar cells form the epithelial lining in the BRONCHIOLES and a ring of smooth muscle fibers surround it. A diagram of part of a salivary gland showing a serous acinus and mixed serous-mucous acinus. ... which are lined by simple low cuboidal epithelium, and surrounded by myoepithelial cells. An absorptive simple, columnar epithelium lines the intestine of a cat. Figure C12. The gallbladder of a toad is lined with a simple columnar epithelium. C12 and C13). The epithelium starts as a simple ciliated columnar epithelium and changes to simple ciliated cuboidal epithelium as the bronchioles decreases in size. 100×. Lungs The LUNG is made of squamous epithelium and elastic tissue. Note the shape and location of the nuclei.
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