Tag: "bilaterally" at biology news

Marine worm opens new window on early cell development

...f fluid-filled tubes within tubes. These worms are bilaterally symmetrical with closed circulatory systems. Their ancient simplicity, Bowerman said, makes the Platynereis a rather uncomplicated model system for studying such protein interactions....

Possible evidence of cell division, differentiation found in oldest known embryo fossils

...erived or advanced groups of animals, for example, bilaterally symmetrical animals" Hagadorn said. "Rather, all the available evidence suggests that the represent relatively simple forms, akin to sponge ancestors." Xiao reports that the most recent collection of embryos at the Doushantou site was in June. "The...

How did bilaterally symmetric flowers evolve from radially symmetric ones?

How did bilaterally symmetric flowers evolve from radially symmetric o...alist. The researchers found that plants bearing bilaterally symmetrical flowers were more visited by pollinators and had higher fitness, measured by both the nu...

USC researchers track down the stem cells that create feathers

...runks of adults are designed for warmth, while the bilaterally symmetric feathers found on the adult wing are des...adially symmetric downy feathers, but is tilted in bilaterally symmetric feathers, with the lower end of the ring on the anterior side of the follicle, where the r...

Researchers find three major beetle groups coming up one testis short

...The discovery is striking because most animals are bilaterally symmetrical, which means the left and right sides of the body roughly mirror each other. This bilateralism extends to many internal organs, although some systems, such as the human heart and liver, develop or are positioned asymmetrically. "We've go...

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(Date:10/14/2014)... (Oct. 14, 2014)—It,s been millions of years since ... team led by Ohio University scientists is breathing life ... airflow through dinosaur snouts. The research has important implications ... breathe but to enhance the sense of smell and ... animals," said Ohio University doctoral student Jason Bourke, lead ...
(Date:10/14/2014)... new kind of stem cell that can become either a ... according to a study published today in the journal ... type contradicts current theory on how organs arise from cell ... of, and future treatment for, liver cancer., Thanks to stem ... being made up of more than 200 cell types. The ...
(Date:10/14/2014)... MA – A team of scientists led by ... (UMMS) and the University of Miami Miller School ... a key genetic pathway underlying bipolar (manic depressive) ... drugs for treating bipolar affective disorder, as well ... The new findings, published online this week in ...
Breaking Biology News(10 mins):Dinosaur breathing study shows that noses enhanced smelling and cooled brain 2Dinosaur breathing study shows that noses enhanced smelling and cooled brain 3Stem cell discovery challenges dogma on how fetus develops; holds insights for liver cancer and reg 2Stem cell discovery challenges dogma on how fetus develops; holds insights for liver cancer and reg 3Rare genetic disease protects against bipolar disorder 2Rare genetic disease protects against bipolar disorder 3
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