Microarray analysis has identified a set of transcripts that are common to both human testes and spermatozoa and are implicated in fertilization as well as in zygotic and embryonic development 1.

3 They found that mature epididymal spermatozoa, but not developing germ cells, are sensitive to dietary-induced mitochondrial tRNA (mt-tRNA) changes, and revealed that sperm mt-tRNA are epigenetic ...

Spermatogenesis, the process by which spermatozoa are produced, is intricately regulated by hormonal factors. However, as men age, hormonal changes can adversely affect this process. The number of ...

Male reproductive system is straightforward. Testes - composed of seminiferous tubules which produce large numbers of spermatozoa Vas deferens - spermatozoa leave testes and accumulate in the vas ...

In fact, because viruses are 'mono-unitary' organisms, the most plausible comparison would be with animal spermatozoa or ova. Can we expect either spermatozoa or ova to survive and replicate in ...