Reference Terms
from Wikipedia, the free encyclopedia
Heart valve
In anatomy, the heart valves are valves in the heart that maintain the unidirectional flow of blood by opening and closing depending on the difference in pressure on each side.
Note: The above text is excerpted from the Wikipedia article "Heart valve", which has been released under the GNU Free Documentation License.
Related Stories
1
2
Health & Medicine News
December 13, 2024
Dec. 11, 2024 A new study shows that long-term exposure to air pollution contributes to millions of deaths in India. The research emphasizes the need for stricter air quality regulations in the ...
Dec. 11, 2024 An interdisciplinary team has created tiny bubble-like microrobots that can deliver therapeutics right where they are needed and then be absorbed by the ...
Dec. 9, 2024 The short-term boost our brains get after we do exercise persists throughout the following day, suggests a new ...
Dec. 3, 2024 Brain tissue is among the most energetically costly in the body, and as a result, larger-brained mammals require more energy to support brain growth and maintenance. Exactly which biological changes allowed human ancestors to meet the very high ...
Latest Headlines
updated 12:56 pm ET
Dec. 12, 2024 The study, conducted in the US, found that mothers take on seven in ten (71%) of all household mental load ...
Dec. 12, 2024 Some patients with diabetes develop a serious condition known as diabetic cardiomyopathy, which is slow and cannot be directly attributed to hypertension or other cardiovascular disorders. This often ...
Dec. 11, 2024 Many vitamins are produced in chemical factories, often synthetically, but researchers have succeeded in developing a natural and simple method for producing vitamin B2: by gently heating lactic acid ...
Dec. 13, 2024 An analysis of national data found that short-term mortality was not impacted for patients with advanced cancers during the shortage of the generic platinum chemotherapy drugs cisplatin and ...
Dec. 13, 2024 A new study offers new evidence that dietary changes may help reduce cancer cell growth in patients undergoing active surveillance, a treatment ...
Dec. 13, 2024 Immune checkpoint blockades, or ICBs, have revolutionized treatment for various advanced cancers. However, their effectiveness has plateaued due to ...
Dec. 13, 2024 A newly developed tool that harnesses computer vision and artificial intelligence (AI) may help clinicians from around the globe rapidly evaluate ...
Dec. 13, 2024 Cancer immunotherapy has revolutionized treatment for patients, whereby the body's own immune system is harnessed to destroy cancer cells. Typically, several molecules restrain the ability of T cells ...
Dec. 13, 2024 Scientists have discovered a new property of the molecular motors that shape our chromosomes. While six years ago they found that these so-called SMC ...
Dec. 3, 2024 Researchers present a new therapeutic tool capable of inhibiting the proliferation of the SARS-CoV-2 virus that causes COVID-19. The results open up ...