(HealthDay)—Galectin-1 (Gal-1), allergen-specific immunotherapy (SIT) co-administration may suppress allergic responses in the intestine more than use of SIT or Gal-1 alone, according to an experimental study published ...
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Injury or disease in combination with too little vitamin D can be bad for the window to your eyes.
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Research conducted by Jason Middleton, PhD, Assistant Professor of Cell Biology and Anatomy, and Neuroscience at LSU Health New Orleans School of Medicine, and colleagues may lead to a treatment to prevent long-term sensory ...
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Alzheimer's disease tragically ravages the brains, memories and ultimately, personalities of its victims. Now affecting 5 million Americans, Alzheimer's disease is the sixth leading cause of death in the U.S., and a cure ...
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A potential new therapeutic strategy for a difficult-to-treat form of ovarian cancer has been discovered by Wistar scientists. The findings were published online in Nature Cell Biology.
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A new study indicates that a classification system based on patient symptoms and basic lab tests can reduce the need for diagnostic imaging, hospital admissions, and surgery in patients with suspected appendicitis.
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An international team of scientists has developed a method to rapidly produce specific human antibodies in the laboratory. The technique, which will be described in a paper to be published July 24 in The Journal of Experimental ...
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Using light alone, scientists from the Max Planck Institute of Neurobiology in Martinsried are now able to reveal pairs or chains of functionally connected neurons under the microscope. The new optogenetic method, named Optobow, ...
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People constantly encounter viruses, bacteria or parasites. Fortunately, our skin, the specialized lining of our guts and other parts of our body that are exposed to the outside world prevent them from entering. When a pathogen ...
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After leukaemia, primary tumours of the brain and spinal cord are the second commonest cancers in childhood and adolescence. The presence of the enzyme telomerase characterises a particularly malignant subgroup of cerebellar ...
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The cell is the structural and functional unit of all known living organisms. It is the smallest unit of an organism that is classified as living, and is often called the building block of life. Some organisms, such as most bacteria, are unicellular (consist of a single cell). Other organisms, such as humans, are multicellular. (Humans have an estimated 100 trillion or 1014 cells; a typical cell size is 10 µm; a typical cell mass is 1 nanogram.) The largest known cell is an unfertilized ostrich egg cell.
In 1835 before the final cell theory was developed, a Czech Jan Evangelista Purkyně observed small "granules" while looking at the plant tissue through a microscope. The cell theory, first developed in 1839 by Matthias Jakob Schleiden and Theodor Schwann, states that all organisms are composed of one or more cells. All cells come from preexisting cells. Vital functions of an organism occur within cells, and all cells contain the hereditary information necessary for regulating cell functions and for transmitting information to the next generation of cells.
The word cell comes from the Latin cellula, meaning, a small room. The descriptive name for the smallest living biological structure was chosen by Robert Hooke in a book he published in 1665 when he compared the cork cells he saw through his microscope to the small rooms monks lived in.
This text uses material from Wikipedia, licensed under CC BY-SA
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