News tagged with heart
New recommendations in bedsharing debate
Researchers from Murdoch University's School of Health Professions are urging health organisations to reconsider their attitudes to mothers and babies bedsharing.
Health
Apr 29, 2013 |
4.1 / 5 (34) |
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Missing link in Parkinson's disease found
Researchers at Washington University School of Medicine in St. Louis have described a missing link in understanding how damage to the body's cellular power plants leads to Parkinson's disease and, perhaps ...
Medical research
Apr 25, 2013 |
5 / 5 (6) |
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Whole walnuts and their extracted oil improve cardiovascular disease risk
(Medical Xpress)—Consumption of whole walnuts or their extracted oil can reduce cardiovascular risk through a mechanism other than simply lowering cholesterol, according to a team of Penn State, Tufts University ...
Health
May 08, 2013 |
5 / 5 (5) |
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Viral Vectors delivery new calcium pumps for ailing hearts
(Medical Xpress)—A fresh round of trials to evaluate gene therapy for the heart is set to begin in a couple of weeks. The British Heart Foundation will be sponsoring the study, which seeks to replace defective ...
Medical research
May 01, 2013 |
4.2 / 5 (5) |
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In India, 'no frills' hospitals offer $800 heart surgery (Update)
What if hospitals were run like a mix of Wal-Mart and a low-cost airline? The result might be something like the chain of "no-frills" Narayana Hrudayalaya clinics in southern India.
Cardiology
Apr 21, 2013 |
5 / 5 (4) |
0
Gene thought to make heart tissues turns out to make blood and muscles as well
New research out of the Lillehei Heart Institute at the University of Minnesota shows that by turning on just a single gene, Mesp1, different cell types including the heart, blood and muscle can be created from stem cells.
Genetics
May 02, 2013 |
5 / 5 (4) |
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Stents disrupt blood flow
(Medical Xpress)—A researcher at ETH Zurich is designing a realistic artery model with an implanted stent and is using a computer to simulate the blood flow through the stent. In doing so he is uncovering ...
Cardiology
May 06, 2013 |
5 / 5 (4) |
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Researchers identify protein that reverses some effects of aging in mouse hearts
Two Harvard Stem Cell Institute researchers – one a stem cell biologist and one a practicing cardiologist at Brigham and Women's Hospital – have identified a protein in the blood of mice and humans that ...
Medical research
May 09, 2013 |
5 / 5 (4) |
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'Off-the-shelf' artificial blood vessels show promise
(HealthDay)—Artificial blood vessels may one day reduce some complications of dialysis treatment in people with kidney failure, according to the results of early research in animals.
Cardiology
Apr 24, 2013 |
4.8 / 5 (4) |
0
Study uncovers mechanism for how grapes reduce heart failure associated with hypertension
A study appearing in the Journal of Nutritional Biochemistry demonstrates that grapes are able to reduce heart failure associated with chronic high blood pressure (hypertension) by increasing the activity of several genes ...
Cardiology
May 02, 2013 |
4.8 / 5 (4) |
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Jekyll into Hyde: Breathing auto emissions turns HDL cholesterol from 'good' to 'bad'
Academic researchers have found that breathing motor vehicle emissions triggers a change in high-density lipoprotein (HDL) cholesterol, altering its cardiovascular protective qualities so that it actually contributes to clogged ...
Cardiology
May 15, 2013 |
4 / 5 (4) |
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The tablet of youth
At TEDxSydney 2013 the Professor of Genetics at Harvard Medical School shares a new concept about why we age and how it should be possible to develop medicines to reverse it.
Health
Apr 23, 2013 |
5 / 5 (3) |
0
Uncleaned cells mean weak muscles
The protein complex mTORC1 promotes muscle growth. However, should this complex remain constantly active, it impairs the ability of the cells to self-clean, causing myopathy. Scientists working with Markus ...
Medical research
Apr 23, 2013 |
5 / 5 (3) |
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Growing new arteries, bypassing blocked ones
Scientific collaborators from Yale School of Medicine and University College London (UCL) have uncovered the molecular pathway by which new arteries may form after heart attacks, strokes and other acute illnesses bypassing ...
Medical research
Apr 29, 2013 |
5 / 5 (3) |
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Scientists build a living patch for damaged hearts
Duke University biomedical engineers have grown three-dimensional human heart muscle that acts just like natural tissue. This advancement could be important in treating heart attack patients or in serving as a platform for ...
Medical research
May 06, 2013 |
5 / 5 (3) |
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Heart
The heart is a muscular organ in all vertebrates responsible for pumping blood through the blood vessels by repeated, rhythmic contractions, or a similar structure in annelids, mollusks, and arthropods. The term cardiac (as in cardiology) means "related to the heart" and comes from the Greek καρδιά, kardia, for "heart."
The heart of a vertebrate is composed of cardiac muscle, an involuntary striated muscle tissue which is found only within this organ. The average human heart, beating at 72 beats per minute, will beat approximately 2.5 billion times during a lifetime (about 66 years). It weighs on average 250 g to 300 g in females and 300 g to 350 g in males.
For more information about Heart, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
