Hypodermic needle with red blood cells under an electron microscope
Hypodermic needle with red blood cells under an electron microscope
The colors are added in, of course, with it being an electron microscope image. Another picture:
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67 comments
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I wonder what gauge needle that is?
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At very rough estimate, I would guess a 30 gauge needle. They have an outer diameter of .31 mm. A blood cell is about 7 micrometer across. It looks like you can fit more a smidge fewer than 50 cells across the thickest part of this needle. Cheers!
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67 comments