Assertion: sperm | /r/HasProperty | cell
Facets:
Source sentences:
text: During the second and third quarters of the nineteenth century the scientists J. L. Prevost, J. B. Dumas, T. Schwann, and R. Virchow were especially influential in the evolving consensus that sperm were cells, and that these cells united with other cells, ova or egg cells, to form a fertilized cell (a zygote) that went on to form a new organism .