Oviductosomes Fuse with Sperm Head and Midpiece (IMAGE)
Caption
In studies of mice, the University of Delaware team detected tiny bodies which they named "oviductosomes" in fallopian tube fluids. These oviductosomes deliver a cargo of essential proteins, including a "calcium clearance pump," to the sperm before it fertilizes the egg. In this image, taken with a super-resolution microscope, you can see the oviductosomes, stained with a red dye, decorating the sperm's head and the midpiece of the sperm's tail, where they coalesce to give a continuous signal.
Credit
University of Delaware/UD BioImaging Center--INBRE P20 GM103446
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