Sentences with phrase «filamentous structures»
The phrase "filamentous structures" refers to thin, thread-like shapes. It typically describes long and slender objects that resemble or are composed of filaments, which are thread-like structures that can be found in nature, such as in plants, fungi, or even some bacteria. Full definition
The worms are capable of sucking out the sperm following copulation, but some worms have evolved filamentous structures on the sperm heads help protect against such manipulation by anchoring the sperm inside the antrum.
the-scientist.com
In the image below, taken with the Swedish Solar Telescope of the Roque de los Muchachos Observatory (La Palma), the jets are observed in the solar disk as filamentous structures of short duration and reflected in the spectrum shifted to blue because they are getting close to the Earth.
Although the best evidence for feathers has been found in a group of meat - eating dinosaurs dating back to about 150 million years ago, and from which birds apparently evolved at about the same time, there have been sightings of bristly, filamentous structures in very distantly related plant - eating dinosaurs as well.
«Ancient filamentous structures should not be accepted as being of biological origin until all possibilities of their nonbiological origin have been exhausted,» Brasier and his coauthors wrote in a report last year.
Paleontologist Mark Norell of the American Museum of Natural History in New York City and his colleagues report that the 130 - million - year - old specimen represents a dromeosaur covered with filamentous structures that exhibit a branching pattern unique to feathers.
In rabbits, it is well established that exposure to the metal causes the formation of filamentous structures containing cytoplasmic neurofilament protein which would promote the formation of neurofilibary tangles.
The white filamentous structures are called chordae tendinae.
K. zabaikalicus, which could date to as early as 175 million years ago, has filamentous structures on much of its body, including its head and thorax; but the more complex featherlike arrangements are found mostly on its arms and legs, an arrangement typical of many feathered meat - eating dinosaurs.
Voids change over time, actually spurring the universe's hordes of galaxies into their filamentous structures.
However, inseminated worms will often suction the sperm out of their female genital opening using their mouth when copulation is over.3 Some worms have also evolved countermeasures against such rejection: filamentous structures on the side of the sperm heads that anchor the genetic packages into the body cavity.4 (See illustration.)