Nervous tissue, ventral horn of spinal cord
Arrows on this image of spinal cord indicate blood vessels. Note that large vessels (e.g., upper left corner) travel in meninges (outside the nervous tissue). The smallest vessels, including capillaries, are not noticeable at this magnification.
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  https://histology.siu.edu/ssb/NM042b.htm
  
Last updated:  13 August 2021 / dgk