• Cell biology: Cell contacts in embryonic development determine cellular fate

    9 days ago - By ScienceDaily

    The average human consists of about 37.2 trillion cells. But not all cells are created equal: while muscle cells contain the molecular machinery to contract and relax your muscles, some neurons send meter-long axons from the spinal cord to the tip of your toes, and red blood cells bind oxygen and transport it around the body. How does a cell 'know' which function to fulfill?
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