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crests in Medical News

Innovative Self Locking Threaded Fasteners Provide New Electrical Design Options

...p of the self locking threaded fasteners allows the bolt to spin freely relative to female threads until tension is created in the male fastener. The crests of the standard male thread form are then drawn tightly against the wedge ramp, eliminating radial clearances and creating a continuous spiral line co...
crests in Medical Products

RX HERCULINK® PLUS Biliary Stent System

Features:... A robust stent design with 9 crests per ring and multiple rings per stent engineered to increase the stent's coverage and radial strength without compromising flexibility XCELON® ny...
Company:Guidant Corporation
crests in Medical Dictionary

Umbilicus

...urce, Reference, and Research for acupuncture ... In the umbilical region, on the anterior midline, 1 cun inferior to the umbilicus . ... ... crests to within 1 cm, and waist circumference at the umbilicus to within 1 cm. ... by body mass index (kg/m2) and waist circumference (cm) at the umbil...
crests in Biological News

Key to function of dinosaur crests found in brain structure

Paleontologists have long debated the function of the strange, bony crests on the heads of the duck-billed dinosaurs known as lambeosaurs. The structures contain incredibly long, convoluted nasal passages that loop up over the tops of their skulls. Scientists at the University of Toronto, Ohio ...

Brain structure provides key to unraveling function of bizarre dinosaur crests

ATHENS, Ohio (Oct. 16, 2008) Paleontologists have long debated the function of the strange, bony crests on the heads of the duck-billed dinosaurs known as lambeosaurs. The structures contain incredibly long, convoluted nasal passages that loop up over the tops of their skulls. Scientists at t...

Duck-billed dino crests not linked to sense of smell

After decades of debate, a U of T researcher has finally determined that duck-billed dinosaurs' massive but hollow crests had nothing to do with what many scientists suspected -- the sense of smell. Speculation about their function has led to theories that the crests functioned as everything from...

Beaked, bird-like dinosaur tells story of finger evolution

...first ceratosaur known from East Asia and one of the most primitive members of the group. Ceratosaurs are a diverse group of theropods that often bear crests or horns on their heads, and many have unusual, knobby fingers lacking sharp claws. The fossil beds in China that produced Limusaurus have previo...

Predatory bacterial swarm uses rippling motion to reach prey

...ple and move back and forth. This motion of individual cells, known as cell reversal produces an alternating pattern of high and low cell density like crests and troughs of waves, and the overall motion of the wave formation is directed toward prey. The UI team also showed that the ripple wavelength is a...

Little teeth suggest big jump in primate timeline

...per molars and one lower molar. "From the tooth size and structure we can say something about the animals' body weight and diet, because teeth have crests that are differentially developed depending on whether they ate primarily insects, leaves or fruit," he said. But without more body parts, Kay and Wil...

Researchers give name to ancient mystery creature

...t despite that link to ungulates, which are traditionally herbivores, Horolodectes was thought to have dined on small insects and grubs. "It had sharp crests on the teeth which formed blades, indicating it was likely carnivorous," said Craig Scott, a PhD candidate and lead author of the study. Horolodectes ...
crests in Biological Technology

Glacial records depict ice age climate in synch worldwide

... and worked under the direction of UW-Madison geology professor Brad Singer, collected samples of quartz and other minerals from boulders found on the crests of the moraines that mark the waxing and waning of mountain glaciers in the Andes Mountains of Argentina. Using a technique to read the changes imp...
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