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Penis (100X)

Microimage
Image copyright: University of Oslo, CC BY-NC-ND 4.0.

The caverns inside the corpus cavernosum are visible. Some of them are filled with blood.  You ma also notice darker strands (smooth muscle) among the caverns. This will be seen more clearly if you choose a higher magnification.

Published June 12th 2019, updated September 1st 2020.