Sentences with phrase «at body surfaces»

When allergens enter the body, antigen presenting cells (immune cells that capture incoming substances and present them to other immune cells, initiating a cascade of immune responses) at body surfaces, capture and present them to immune cells, particularly T cells (in a similar manner as if the allergen was a foreign invading microbe).

Not exact matches

A special RC rig capable of drill - ing to 300m plus will be used to probe the deeper formations where the survey indicated a large chargeable body starting at 150m below surface which is 150m to 200m wide.
The immense mass of the earth attracts the relatively minute mass of our bodies, and so we stay on the surface of the planet even though it is whirling us around its center at about 1,600 kilo - meters per hour.
But if at last it rotate far enough for its centre of gravity to pass beyond surface A altogether, the body will fall over, on surface B, say, and abide there permanently.
On top of this, the dual layers provide a good bounce while at same time distribute the body weight evenly across the surface the dual layers are helpful because they give you the option to test both worlds.
Just as the muscles in your body have the ability to move, I invite your awareness to acknowledge the fact that the bones in your pelvis also have an inherent ability to flex at the flat surfaces and expand at the joints and ligaments.
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The deceased, according to a Senior Resident at the Korle Bu Reconstruction, Plastic Surgery and Burns Unit, Dr. Nyigba Edem suffered a 100 per cent total body surface area burn, which means every part of the skin was badly affected.
The mayor spoke on the subject at an unrelated event just a short while before Mr. Skelos resigned as head of the majority GOP conference, but after reports had surfaced over the weekend that he would step down from his vaunted position atop the body today.
The ring is at a distance of 2287 kilometers from the center of the main body and is darker than the surface of the dwarf planet itself.
«For the first time, we have used a geophysical method to determine the internal structure of Enceladus, and the data suggest that indeed there is a large, possibly regional ocean about 50 kilometers below the surface of the south pole,» says David Stevenson, the Marvin L. Goldberger Professor of Planetary Science at Caltech and an expert in studies of the interior of planetary bodies.
When an asteroid or other body strikes a planet at high speed, tons of material from both the impactor and the target surface are instantly vaporized.
But laboratory experiments by Hayashi and his colleagues, conducted at the University of Nottingham, UK, have shown that spiders can survive afloat, and can also harness the wind to «sail» on the surface of water bodies.
Geologist John Michell wrote in a letter to the Royal Society that if a star were massive enough, «a body falling from an infinite height towards it would have acquired at its surface greater velocity than that of light... all light emitted from such a body would be made to return towards it by its own proper gravity».
With its body coiled up at the sea surface, the snake points its head under the water, mouth open.
«If nothing changed on the moon — if there were no lunar body tide or if its tide were completely static — then every time scientists measured the surface height at a particular location, they would get the same value,» said Mike Barker, a Sigma Space Corporation scientist based at Goddard and co-author of the new study, which is available online in Geophysical Research Letters.
Scientists at The University of Manchester have created an enhanced surface for silicone breast implants which could reduce complications and make them less likely to be rejected by the body.
GA maps the land masses below the ocean's surface through basic geological work and seismic and bathymetric analysis (measuring water depth at various places in a body of water) to better define and legally extend Australia's continental shelf for a submission to the United Nations under the UN Convention on the Law of the Sea.
This elevated body temperature also allows more rapid growth, reducing the time they are vulnerable at the ocean surface.
The more the surface area of the body is covered by psoriasis, the greater the risk of death for the patient suffering from the condition, according to a new analysis by researchers in the Perelman School of Medicine at the University of Pennsylvania.
Occasionally, industrial mathematicians even push the frontiers of knowledge, as in the mathematical description of surfaces made by Paul de Casteljau, a researcher at Citroën, and later Pierre Bézier, a researcher at Renault, for the modelling of car bodies.
Most cells in our body bind other cells by means of integrins, molecules that act as bridges located at the cell surface.
Gas exchange or respiration takes place at a respiratory surface; a boundary between the external environment and the interior of the body.
The current studies are far less invasive, using surface ultrasound directed at the site of the clot from outside the body, which could potentially be performed by a medical technician.
These bottom - living deep water fishes never come to the surface and the carbon in their bodies stays at the seafloor.
A dense array of pores begins to form on the surface and they move together into the body of the crystal, at a few microns a minute.
«The data, information and knowledge on long - term trends of surface water bodies across the CONUS at high spatial resolution are valuable for planning and management of surface water resources, however, they are not widely available yet,» said Xiao, professor of ecology and remote sensing in the Department of Microbiology and Plant Biology, OU College of Arts and Sciences.
Direct photographs of a meteor's trail (the column of ionized gases formed by the passage of a meteoric body through the upper atmosphere) taken at two points on the Earth's surface several kilometres apart yield the most accurate data for tracing the path of a meteor.
On November 16, 2011, scientists announced that data from NASA's Galileo probe (which operated from 1989 to 2003) appear to reveal at least two bodies of liquid water the volume of the North America's Great Lakes underneath the surface ice of Europa.
The hypothesis is that there is a moving body of water underneath the glacial surface, which at the time seemed impossible in an environment that is minus 10 degree Celsius.
This premature enthusiasm has more recently given way to caution as the technology has gradually been transferred to humans, with only limited short - term success.3 Finally, since HIV usually enters the body through mucosal surfaces — the vagina and rectum — augmenting an immune response at these portals of entry by using what scientists call mucosal AIDS vaccines might be an additional way to improve protection against infection.
Specific topics include the abilities to recognize, sort and transport important molecules; sense the environment; alter shape or surface texture; generate onboard energy to power effective robotic functions; communicate with doctors, patients, and other nanorobots; navigate throughout the human body; manipulate microscopic objects and move about inside a human body; and timekeep, perform computations, disable living cells and viruses, and operate at various pressures and temperatures.
If the surface plus atmosphere together acts as a gray body at 288 K with e = 0.61, then only 61 % of incoming solar radiation at thermal infrared wavelengths (a small fraction of the total) will be absorbed.
While the Sun does not rotate as a solid body (the rotational period is 25 days at the equator and about 35 days at the poles), it takes approximately 28 days to complete one full rotation; the centrifugal effect of this slow rotation is 18 million times weaker than the surface gravity at the Sun's equator.
The infrared findings indicated that UB313 has a reflectivity, or albedo, of about 60 percent, which is similar to Pluto's and suggested that the two bodies have surfaces are made of very similar materials such as frozen methane and nitrogen snow at a temperature of -248 °C or -418 °F.
If you've been working relentlessly at developing your midsection and cutting down body fat, but there's still no sign of your abs» true shape and definition — you could be storing subcutaneous fluid in your cells that creates a bloated look and prevents your hard - earned muscles from fully appearing on the surface.
When this mineral waste overloads and the body has too little fluid — crystals develop on the inner surfaces of your kidneys.Nearly 10 % of American men and 5 % of American women may develop at least one stone by seventy years old.
Because infrared heat penetrates into the body vs. simply heating the surface of the skin, infrared saunas are seven times more effective than traditional saunas at detoxifying the body.
At the other extreme, long term heat accumulation in the body will dry up fluids and that will be reflected by cracks appearing on the tongue's surface.
This video holds up this theory pretty well — at least on the surface: since people eating a plant - based diet had fewer of this pesticide in their bodies compared to the dairy eaters.
Erector spinae muscle activity is greater when performing lower body compound exercises compared with upper body compound exercises at moderate and high relative loads, regardless of surface stability.
Fluk's compositions are at once chilly and sensual, with a European art cinema buff's attention to bodies, and there are lovely moments throughout: James and Jonah in a swimming hole, scanning the water's surface in search of fish; James and Sam's regret - soaked slow dance at a community center social; a tracking shot that trails Jessica through a grassy field as she looks back teasingly at the camera.
Jump ahead eight years, and two bodies have mysteriously surfaced at the site where it's believed the wife was murdered, reopening the case with the husband as the primary suspect.
The big air outlet at the front of the door cut controls body side surfaces, indented deeply in front, fading to zero by the rear wheel opening.
Using hard lines in the body surface is new to Audi, as is indenting the doors at their base, although both are common to other makes.
This clean strut spanning the distance between the cabin volume and scoop presumably restrains the outer body surface to keep it from peeling away at high speed.
This car lacks the poise and throttle adjustability that its forebear exhibited when driven quickly, and its body control at speed becomes slightly ragged over bumpier surfaces.
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