It describes the development of sperm in the testes, their journey through the reproductive tract, and the fertilization process involving an egg and sperm. The film illustrates the stages of ...

Just because a sperm is a strong swimmer doesn't necessarily mean it has the right amount of DNA, Dr. Lisa Lee told Newsweek.

The world’s first baby has been born following conception with a fully automated, digitally controlled intracytoplasmic sperm ...

Kanazawa University and colleagues have achieved a breakthrough in understanding sperm DNA packaging. Using high-speed atomic ...

In an advance for treating male infertility, researchers transplanted a patient with his own sperm-forming stem cells that were collected from testicular tissue when he was a child.

A baby has been born through the world’s first fully automated ICSI system, marking a major milestone in fertility treatment.

Cells are the building units of life - the basic building blocks of all animals and plants. They are so small, you need to use a light microscope ... the egg cell does not meet with a sperm ...

While using a light microscope to study sperm formation in wasps, Henking noticed that some wasp sperm cells had 12 chromosomes ... a light microscope to study egg formation in female grasshoppers ...

Human sex cells or gametes (egg and sperm) only contain 23 chromosomes in total. Each chromosome contains short sections of DNA called genes. These genes carry the instructions that determine ...

A sperm cell and an egg cell each contain half the DNA to make ... When Antonie van Leeuwenhoek vastly improved the microscope in the 1600s and observed living cells for the first time, humanity ...