After conception, the fertilized egg—called a zygote—travels from the fallopian tubes into the uterus. This zygote's cells divide rapidly during this journey to become a blastocyst.

which is what’s formed after a sperm and egg have a little rendezvous. Here’s what happens. A zygote is a fertilized egg.[1]#1 It’s created when sperm meets an egg in one of the fallopian tubes.

Zygote: An early stage in the development of a fertilized egg. Zygote Intrafallopian Transfer (ZIFT): An assisted reproductive technique similar to IVF that involves removing sperm and eggs ...

An egg becomes fertilized when a sperm penetrates it, creating a zygote. For the first eight weeks, the developing baby is called an embryo. It looks like a tadpole. At about three weeks ...

Eggs get fertilized, and by that I mean sperm get ... to form a single cell called a zygote. This highly specialized, totipotent cell marked the beginning of each of us as a unique individual.” ...

Single-cell characterization of healthy fallopian tubes revealed shifts in cell and gene expression throughout the menstrual ...

This progression from fertilized egg to newborn is neither “alternative ... and multiple cell divisions later, the zygote has become a cluster of cells (now called a morula).

MRT, a technique that has stirred some controversy in bioethics circles, involves the transfer of sperm and/or oocyte pronuclei from a fertilized egg before the zygote forms. The protocol is a way for ...