However, aside from their life-creating properties, oocytes are different from other cells due to their sheer size. While they vary immensely among species, the human egg cell is roughly 150 ...

Scientists have observed a type of cell division in a prehistoric unicellular organism that resembles the embryonic ...

Labs around the world are trying to turn cells into autobiographers, tracking their own development from embryos to adults.

The development of maternal egg cells is pivotal for survival – but also precarious. During meiosis, the DNA-containing ...

Because the egg cell is only 100 micrometers ... In the center of this image is a single human embryonic stem cell colony that has been stained to highlight both the individual cells within ...

In 2012, scientists created live-born baby mice using eggs that began their life as skin cells on a mouse tail. More recently, the technique has been used to facilitate same-sex reproduction.

As viewed from a human perspective ... it uses meiosis to create egg cells. Others cells in your body contain 46 chromosomes: 23 from your father and 23 from your mother. Your egg (or sperm ...

In a potential breakthrough for infertility and genetic disease treatments, scientists at Kyoto University have succeeded in mass-generating precursors to sperm and eggs from human iPS cells.

Scientists have grown an entity that closely resembles an early human embryo, without using sperm, eggs or a womb. The Weizmann Institute team say their "embryo model", made using stem cells ...

You'll be given medication for this part. (Fun fact: Human egg cells are gigantic compared to the other cells in our body.) How many times someone will need to go through egg retrieval depends ...

Stem cells have the capacity to become any cell ... This allows an embryo created by fertilising a human egg to be grown for 14 days. However, these "embryo models" are not legally "embryos ...