Figure 2.
Antony van Leeuwenhoek.
Human and rabbit spermatozoa, 1678, from a letter to the Royal Academy of Sciences. From Wellcome Library London; Wellcome Images. Reproduced under Creative Commons Attribution license CC BY 4.0.
Figure 2.
Antony van Leeuwenhoek.
Human and rabbit spermatozoa, 1678, from a letter to the Royal Academy of Sciences. From Wellcome Library London; Wellcome Images. Reproduced under Creative Commons Attribution license CC BY 4.0.