News tagged with embryonic development

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Food-delivery process inside seeds revealed

Inside every seed is the embryo of a plant, and in most cases also a storage of food needed to power initial growth of the young seedling. A seed consists mainly of carbohydrates and these have to be is transported ...

Mar 20, 2015
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Criticality in morphogenesis

(Phys.org) —In many regards, a brief time-lapse video can teach more about embryonic development than any amount of reading. It is hard not to be impressed how a repeatable form reliably emerges despite ...

Sep 17, 2013 report
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Mechanical forces in development

(Phys.org) —Early embryonic development is a marvel of mechanics. Its signature step is the production of three tissue layers—mesoderm, ectoderm, and endoderm—through a topological maneuver known as ...

Dec 13, 2013 report
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Evolutionary biology: Why cattle only have two toes

During evolutionary diversification of vertebrate limbs, the number of toes in even-toed ungulates such as cattle and pigs was reduced and transformed into paired hooves. Scientists at the University of Basel have identified ...

Jun 18, 2014
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