News tagged with human embryos
Related topics: stem cells , spinal cord injuries , stem cell research , embryonic stem cells
An embryo (irregularly from Greek: ἔμβρυον, plural ἔμβρυα, lit. "that which grows," from en- "in" + bryein "to swell, be full"; the proper Latinate form would be embryum) is a multicellular diploid eukaryote in its earliest stage of development, from the time of first cell division until birth, hatching, or germination. In humans, it is called an embryo until about eight weeks after fertilization (i.e. ten weeks LMP), and from then it is instead called a fetus.
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Over the past two decades, the frozen preservation of embryos has become routine practice in IVF. What currently happens to embryos next is controlled by overlapping and complicated rules that confuse and ...
Obstetrics & gynaecology May 13, 2013 | not rated yet | 0