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Fruit flies: Summer pests or scientific marvel?

Fly-swatting season is here. No sooner will you place your fresh strawberries on the kitchen counter than will the first fruit fly arrive. It won't take long for a platoon of Drosophila buddies to be hovering about the spoils.

How intestine replaces and repairs itself

To act as a robust barrier against pathogens while also absorbing needed nutrients, the lining of the intestines must regenerate on a daily basis to remain equal to the task. The intestine's resident stem cells are responsible ...

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Cell type

A cell type is a distinct morphological or functional form of cell. When a cell switches state from one cell type to another, it undergoes cellular differentiation. A complete list of distinct cell types in the adult human body may include about 210 distinct types.

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