03/09/2022
Gallbladder Surface, SEM
Scanning electron micrograph (SEM) of the surface of the gallbladder. The epithelial layer is broken up and reveals the view of the cell interior. You can see epithelial cells (brown) with microvilli (green). Inside some of the cells, the cell nucleus is recognizable (reddish), underneath which lies the connective tissue (gray) that envelops and stabilizes everything.
The gallbladder is a pear-shaped mucous sac that serves as a reservoir for the bile fluid produced in the liver. Bile is released into the stomach after ingestion, where it plays an important role in the digestion of fats. Medicines and other "waste products" filtered out by the liver are also contained in the bile and are excreted in this way.
Magnification: 1500x at a size of 12x12cm.
© Eye of Science / Science Source
ScienceSource.com image ID# SS21025703
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