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Gall bladder: epithelium

The epithelium lining the gall bladder is simple columnar with short microvilli; its oval nuclei are located in the lower one-third of each cell.  The apical cytoplasm is filled with mitochondria, which supply energy to concentrate the bile, as well as secretory granules containing mucinogen.  Additional mucus is added to the bile by the larger bile ducts.  1000x

Simple columnar epithelium <p>The epithelium lining the gall bladder is simple columnar with short microvilli; its oval nuclei are located in the lower one-third of each cell.  The apical cytoplasm is filled with mitochondria which supply energy to concentrate the bile as well as secretory granules containing mucinogen.  Additional mucus is added to the bile by the larger bile ducts.  1000x</p>

Simple columnar epithelium

The epithelium lining the gall bladder is simple columnar with short microvilli; its oval nuclei are located in the lower one-third of each cell.  The apical cytoplasm is filled with mitochondria which supply energy to concentrate the bile as well as secretory granules containing mucinogen.  Additional mucus is added to the bile by the larger bile ducts.  1000x
- Location of mitochondria and granules <p>The epithelium lining the gall bladder is simple columnar with short microvilli; its oval nuclei are located in the lower one-third of each cell.  The apical cytoplasm is filled with mitochondria which supply energy to concentrate the bile as well as secretory granules containing mucinogen.  Additional mucus is added to the bile by the larger bile ducts.  1000x</p>

- Location of mitochondria and granules

The epithelium lining the gall bladder is simple columnar with short microvilli; its oval nuclei are located in the lower one-third of each cell.  The apical cytoplasm is filled with mitochondria which supply energy to concentrate the bile as well as secretory granules containing mucinogen.  Additional mucus is added to the bile by the larger bile ducts.  1000x
- Microvilli <p>The epithelium lining the gall bladder is simple columnar with short microvilli; its oval nuclei are located in the lower one-third of each cell.  The apical cytoplasm is filled with mitochondria which supply energy to concentrate the bile as well as secretory granules containing mucinogen.  Additional mucus is added to the bile by the larger bile ducts.  1000x</p>

- Microvilli

The epithelium lining the gall bladder is simple columnar with short microvilli; its oval nuclei are located in the lower one-third of each cell.  The apical cytoplasm is filled with mitochondria which supply energy to concentrate the bile as well as secretory granules containing mucinogen.  Additional mucus is added to the bile by the larger bile ducts.  1000x
Mucus <p>The epithelium lining the gall bladder is simple columnar with short microvilli; its oval nuclei are located in the lower one-third of each cell.  The apical cytoplasm is filled with mitochondria which supply energy to concentrate the bile as well as secretory granules containing mucinogen.  Additional mucus is added to the bile by the larger bile ducts.  1000x</p>

Mucus

The epithelium lining the gall bladder is simple columnar with short microvilli; its oval nuclei are located in the lower one-third of each cell.  The apical cytoplasm is filled with mitochondria which supply energy to concentrate the bile as well as secretory granules containing mucinogen.  Additional mucus is added to the bile by the larger bile ducts.  1000x
Lamina propria <p>The epithelium lining the gall bladder is simple columnar with short microvilli; its oval nuclei are located in the lower one-third of each cell.  The apical cytoplasm is filled with mitochondria which supply energy to concentrate the bile as well as secretory granules containing mucinogen.  Additional mucus is added to the bile by the larger bile ducts.  1000x</p>

Lamina propria

The epithelium lining the gall bladder is simple columnar with short microvilli; its oval nuclei are located in the lower one-third of each cell.  The apical cytoplasm is filled with mitochondria which supply energy to concentrate the bile as well as secretory granules containing mucinogen.  Additional mucus is added to the bile by the larger bile ducts.  1000x
Image source > <p>Image taken of slide in the University of Mississippi collection.</p>

Image source >

Image taken of slide in the University of Mississippi collection.
Main SlideSimple columnar epithelium - Location of mitochondria and granules - MicrovilliMucusLamina propriaImage source >