Examlex
Nonencapsulated strains of Streptococcus pneumoniae are highly virulent.
Primary Spermatocytes
Diploid cells that undergo meiosis I to form two haploid secondary spermatocytes, crucial for spermatogenesis.
Spermatogonia
Undifferentiated male germ cells in the testes that divide to produce sperm.
Spermatids
Immature sperm cells that are the product of spermatogenesis, which will undergo further development to become mature spermatozoa.
Sperm Cells
Sperm cells are male reproductive cells responsible for fertilizing female egg cells to initiate pregnancy.
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