microscopy image series showing 8 days of embryo development
Mouse Embryo: No Sperm, Egg, or Uterus Required
Using stem cells and a bioreactor, researchers generated living embryos that survived for more than a week and began to develop internal organs.
Mouse Embryo: No Sperm, Egg, or Uterus Required
Mouse Embryo: No Sperm, Egg, or Uterus Required

Using stem cells and a bioreactor, researchers generated living embryos that survived for more than a week and began to develop internal organs.

Using stem cells and a bioreactor, researchers generated living embryos that survived for more than a week and began to develop internal organs.

embryoid
Multiple purple and pink renditions of stem cells appear as spherical clusters enveloped in translucent bubbles
Mammalian Embryos Might Not Need Primitive Streaks After All
Dan Robitzski | Dec 2, 2021
The primitive streak, a structure that emerges during mammalian and avian gastrulation, might be a byproduct rather than a landmark of the embryonic development process.
embryoid human embryonic stem cell
Researchers Generate Model of Human Embryo from Human Stem Cells
Ashley P. Taylor | Jul 2, 2019
The research may necessitate the formation of new ethical guidelines.
Image of the Day: Embryoid
The Scientist Staff | Aug 11, 2017
Using human pluripotent stem cells, scientists engineered an amniotic sac-like structure, potentially useful for uncovering the elusive cellular signals that lead to infertility.
Researchers Argue for “Embryoid” Ethics Revamp
Bob Grant | Mar 22, 2017
Scientists issue a call to reconsider the rules governing the creation of tissues, organs, and other structures made possible by recent advances in synthetic biology.