Biology Online is a Biology blog and dictionary site that provides up to date articles on the latest developments in biological science. The Biology Online Dictionary is a completely free and open dictionary with over 60,000 biology terms. It uses the wiki concept, so that anyone can make a contribution.
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biology of forgetting - post-traumatic stress disorder
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Our brain tends to forget things that we wish we would always remember. And yet, it cannot forget certain things we wish never occurred and existed. How does your brain forget? And, can your brain forget on purpose? By nature, the human brain forgets. Inopportunely, the biological mechanism underlying this brain process is poorly understood.…

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Porphyromonas gingivalis is a bacterium commonly associated in periodontitis a chronic inflammatory disease in the oral cavity.  Periodontium is composed of periodontal ligament, cementum, alveolar bone and gingiva. Porphyromonas gingivalis is a gram-negative bacterium that contains toxic components. It is characterized by the presence of edema and destruction of tissue supporting the teeth. In which…

rosehip neuron
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Dubbed as “rosehip neuron“, a new brain neuron recently discovered is unique based on its morphology and the set of genes it activates. Neuroscientists recently uncovered this new type of neuron from postmortem human brain samples. They presumed that this rosehip neuron occurs in the brain of humans but not in rodents.   Rosehip neurons…

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Seaweeds are macroscopic multicellular algae that have been used as food since ancient time. It was originated in Japan and then China particularly to the people who lived near the coastal areas. In addition to its nutritional value, seaweeds are rich source of structurally diverse bioactive compounds including polysaccharides, phlorotannins and pigments. Because of this,…

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One of the crucial needs that arise during or after a devastating natural disaster is the availability of the “universal” blood type O. The increased demand for blood surges following the aftermath of a catastrophy. Storms, hurricanes, and earthquake calamities are major causes for an abrupt call for blood donations. Researchers from the University of…

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Carbon emissions in Alaska relied on measurements of trees and changes in surface organic layer carbon pools after large-scale burning. In 2015 hundreds of forest fires burned across the state of Alaska resulted as second highest acreage burned in a year.  Nearly 300 forest fires occur in a week, as a result over 61,000 lightning…

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How do cells know when to separate during mitosis? A molecule called BubR1 was found to regulate the timing of the division of a parent cell into two progeny cells. Researchers who identified the role of BubR1 were optimistic that their discovery could lead to a potential cancer treatment by inducing cancer cells to undergo…

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Scientists from Cardiff University’s School of Biosciences reported that a father’s gene may have an impact on the quality of care that is furnished by the mother to her newborn offspring. One of the most crucial roles of a mother is being able to provide and attend to the needs of her offspring, especially during…

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A recent finding by a team of researchers from European Molecular Biology Laboratory on the parental chromosomes during the first mitosis of an embryo implicates a possible revision in biology textbooks. What they observed during the first mitotic division after the supposed “union” of gametes in mouse models apparently invalidates what is currently believed. Biologists…

Bio dictionary

(cell biology) Another word for astrosphere, the spherical central mass of the aster.


The term is derived from the Russian

An enzyme that catalyzes the formation of ATP from the phosphorylation of

A loop system in which the system responds to perturbation either in the same direction (positive feedback) or in the opposite direction…

The fusion of gametes resulting in the formation of a zygote, which develops into a…