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Tag: "sutures" at biology news

Ancient amphibians evolved a bite before migrating to dry land

...ined from living fish, we found that the shapes of sutures in the skull roof indicate whether a fish captures...ing feeding. By analyzing the tiny forces that the sutures experienced during feeding, such as tension or compression, the researchers could determine how the ...

Natural polyester makes new sutures stronger, safer

... is healed. They are also 30 percent stronger than sutures now used and very flexible, making them easier for surgeons to work with. The sutures were developed by Tepha, Inc., a Cambridge company that hopes to use the same material to produce an...

A new target for painkillers

... For the study, the North Carolina co-authors tied sutures loosely around one of each rat's two sciatic nerves to mimic nerve compression and injury from sciatica. That made the rats overly sensitive to touch on one hind paw but not the other. Each rat's sensitivity was assessed by measuring how much pressur...

Relationship of brain and skull more than just packaging

...iosynostosis ?a condition where one or more of the sutures -- fibrous bands that connect the bones -- of the ...osis almost universally have surgery to reopen the sutures and allow normal growth of the boney plates of the skull. Premature closure of sutures causes the sk...

Wisconsin scientists find a way to make human collagen in the lab

...seeking perpetual youth. Catgut, the biodegradable sutures made from cow or horse intestines and used in surgery to minimize scarring, is also a form of collagen. But for such a commonplace and useful protein, collagen has defied the efforts of biomedical researchers who have tried mightily to synthesize it...

UCSD study finds anthrax toxins also harmful to fruit flies

...mited fashion, LF interfered with the formation of sutures in the epidermis, resulting in a hole or cleft in thoracic regions of embryos and adults. This developmental process disrupted by LF treatment is similar mechanistically to wound healing, which is mediated by the same signaling pathway in humans. Th...

Artifical cornea lets woman blind 20 years see

...at the new prosthesis can be sewn into place using sutures to connect the donor tissue and keratoprosthesis to the patient's remaining corneal tissue. "Getting an artificial cornea is not an easy ride for the patient," Afshari warns. "We carefully screen each candidate and educate them about the lifetime co...

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