Researchers at Linköping University, Sweden, have made several discoveries on the functioning mechanisms of the inner hair cells of the ear, which convert sounds into nerve signals that are processed in the brain. The results, ...
May 10, 2021
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Just as people keep their houses clean and clutter under control, a crew of cells in the body is in charge of clearing the waste the body generates, including dying cells. The housekeeping cells remove unwanted material by ...
May 06, 2021
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Researchers around the world now have access to an open-access software designed to further characterize cytoskeleton filaments.
Nov 13, 2020
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Instead of protecting us, the immune system can sometimes go awry, as in the case of autoimmune diseases and allergies. A Ludwig-Maximilian-Universitaet (LMU) in Munich team has dissected how mast cells regulate their calcium ...
Jul 23, 2020
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Hailed as one of the most important medical advances, the discovery of general anesthetics—compounds that induce unconsciousness, prevent control of movement and block pain—helped transform dangerous and traumatic operations ...
Apr 27, 2020
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Researchers from Cornell University have identified a possible target for antiviral treatment for COVID-19.
Apr 07, 2020
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Researchers at Osaka University used electron cryomicroscopy (CryoEM) to image essential cardiac muscle components, known as thin filaments, with unprecedented resolution. They also discovered the mechanism by which these ...
Jan 09, 2020
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Calcium ions are essential to how muscles work effectively, playing a starring role in how and when muscles contract, tap energy stores to keep working and self-repair damage. Not only are calcium ions vital for the repair ...
Oct 31, 2019
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Drugs based on a molecule called dihydropyridine are commonly prescribed by doctors to treat high blood pressure and angina, a chest pain caused by reduced blood flow to the heart. However, there's a chance that these same ...
Oct 11, 2019
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Alzheimer's disease (AD) is the most common cause of dementia but the changes in brain cell function underlying memory loss remains poorly understood. Researchers at the University of Bristol have identified that calcium ...
Sep 11, 2019
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Calcium (pronounced /ˈkælsiəm/) is the chemical element with the symbol Ca and atomic number 20. It has an atomic mass of 40.078 amu. Calcium is a soft grey alkaline earth metal, and is the fifth most abundant element by mass in the Earth's crust. Calcium is also the fifth most abundant dissolved ion in seawater by both molarity and mass, after sodium, chloride, magnesium, and sulfate.
Calcium is essential for living organisms, particularly in cell physiology, where movement of the calcium ion Ca2+ into and out of the cytoplasm functions as a signal for many cellular processes. As a major material used in mineralization of bones and shells, calcium is the most abundant metal by mass in many animals.
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