News tagged with vascular system
Mathematical physics reveal nature's formula for survival (w/ Video)
(Phys.org) -- The vascular system of a leaf provides its structure and delivers its nutrients. When you light up that vascular structure with some fluorescent dye and view it using time-lapse photography, details begin to ...
May 14, 2012 |
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Human origins traced to worm fossil in Canada
(PhysOrg.com) -- Most primitive known vertebrate and therefore the ancestor of all descendant vertebrates, including humans, discovered.
Other Sciences / Archaeology & Fossils
Mar 05, 2012 |
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Pressurized vascular systems for self-healing materials
Artificial microvascular systems for self-repair of materials damage, such as cracks in a coating applied to a building or bridge, have relied on capillary force for transport of the healing agents. Now, researchers at the ...
Sep 29, 2011 |
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Artificial tissue promotes skin growth in wounds
(PhysOrg.com) -- Victims of third-degree burns and other traumatic injuries endure pain, disfigurement, invasive surgeries and a long time waiting for skin to grow back. Improved tissue grafts designed by ...
May 17, 2011 |
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Researchers unravel role of priming in plant immunity
Scientists have discovered a naturally occurring compound that triggers a plant's immune system, thereby protecting the plant from a secondary bacterial infection.
Apr 02, 2009 |
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Gene discovery to increase biomass needed for green fuel
(PhysOrg.com) -- Manchester scientists have identified the genes that make plants grow fatter and plan to use their research to increase plant biomass in trees and other species - thus helping meet the need ...
Feb 10, 2010 |
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Newly discovered kinase regulates cytoskeleton, and perhaps holds key to how cancer cells spread
Scientists at the University of California, San Diego have identified a previously unknown kinase that regulates cell proliferation, shape and migration, and may play a major role in the progression or metastasis of cancer ...
May 31, 2010 |
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Researchers develop functional, transplantable rat liver grafts
A team led by researchers from the Center for Engineering in Medicine at Massachusetts General Hospital (MGH) has developed a technique that someday may allow growth of transplantable replacement livers. In their report ...
Medicine & Health / Medical research
Jun 13, 2010 |
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Fast new method for mapping blood vessels may aid cancer research
Like normal tissue, tumors thrive on nutrients carried to them by the blood stream. The rapid growth of new blood vessels is a hallmark of cancer, and studies have shown that preventing blood vessel growth ...
Oct 31, 2011 |
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Study raises safety concerns about experimental cancer approach
A study by researchers at Washington University School of Medicine in St. Louis has raised safety concerns about an investigational approach to treating cancer.
Jan 25, 2011 |
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Heavy smoking in midlife may be associated with dementia in later years
Heavy smoking in middle age appears to be associated with more than double the risk for Alzheimer's disease and other forms of dementia two decades later, according to a report posted online today that will be published in ...
Oct 25, 2010 |
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Molecular imaging technique uses ultrasound and microscopic bubbles to target cancer cells
An imaging technique combining ultrasound and specially modified contrast agents may allow researchers to noninvasively detect cancer and show its progression, according to research published in the March issue of The Jo ...
Mar 01, 2010 |
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Researchers discover important link between adrenal gland hormone and brain in hypertension
A hormone already responsible for increasing blood pressure by prompting the kidneys to retain salt appears to moonlight as a major stimulator of the brain centers that control the vascular system and blood pressure.
Medicine & Health / Medical research
Nov 09, 2010 |
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Researchers find key to getting estrogen's benefits without cancer risk
Researchers at UT Southwestern Medical Center have pinpointed a set of biological mechanisms through which estrogen confers its beneficial effects on the cardiovascular system, independent of the hormone's actions on cancer. ...
Jun 23, 2010 |
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Inserting Catheters Without X-rays
X-rays penetrate the patient's body, helping the doctor guide the catheter through the artery. In future, it will be possible to monitor the position of the catheter without exposing the patient to X-ray radiation, ...
Mar 09, 2009 |
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