Surprisingly, this occurs right within our bodies. Human sperm cells have unique characteristics, with a peculiar blob-like head and an extraordinarily long tail. Despite their appearance ...

Fertility preservation is a pretty well-established concept. It is the process of preserving reproductive cells (sperm or ...

Specialised animal cells include red blood cells, sperm, eggs, nerve cells, muscle cells, ciliated cells, and villi. Get it, lark? Anyone…? Okay let's move on. An animal cell is made of three ...

Most animals carry out sexual reproduction. Sexual reproduction involves the joining of two sex cells or gametes – the sperm (male gamete) and the egg or ovum (female gamete). The male and ...

Even if sperm and eggs are created from human iPS cells, the science ministry’s guidelines on basic research prohibits them from being used for fertilization.