Tag: embryo

The term "stem cells" has become part of the mainstream lexicon, likely to be overheard in conversations anywhere from a baseball game to cocktail get-togethers. But what exactly are these cells? Along with phrases such as "that's just immoral" or "stem cells could be the end-all cure," one could easily weave in some technical tidbits

Twins that are neither identical nor fraternal twins For the first time in the history of medicine a team of Physicians discovered an extremely rare Form of human twins during the pregnancy. These are neither identical nor fraternal, but semi-identical. Worldwide, only another twin pair is of this type known. What makes the twins so

Maintaining equal growth rates in opposing limbs is crucial for animals to achieve a symmetrical adult form; what happens if something goes wrong with one limb during development? According to a study publishing June 26 in the open access journal PLOS Biology by Alberto Roselló-Díez, Alexandra Joyner, and colleagues of the Sloan Kettering Institute in