Physiological processes

The functions and activities of living organisms that support life in single- or multi-cellular organisms from their origin through the progression of life.


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A very low dose of a chemical agent may trigger from an organism the opposite response to a very high dose.

Radiation hormesis

Alternative assumptions for the extrapolation of the cancer risk vs. radiation dose to low-dose levels, given a known risk at a high dose:'(A)' supra-linearity, '(B)' linear'(C)' linear-quadratic, '(D)' hormesis

Radiation hormesis

The supermassive black holes are all that remains of galaxies once all protons decay, but even these giants are not immortal.

Radiation hormesis

'Figure 2'. Diagramatic representation of the key structural features of the DNA double helix. This figure does not depict B-DNA.

Radiation hormesis

Portal:Biology link=Portal:Biology

Radiation hormesis

Stylized lithium-7 atom: 3 protons, 4 neutrons, & 3 electrons (total electrons are ~1/4300th of the mass of the nucleus). It has a mass of 7.016 'u'. Rare lithium-6 (mass of 6.015 'u') has only 3 neutrons, reducing the atomic weight (average) of lithium to 6.941.

Radiation hormesis

In chemistry, a free radical is any atom, molecule, or ion with an unpaired valence electron

Free-radical theory of aging

Major cellular sources of ROS in living non-photosynthetic cells. From a review by Novo and Parola, 2008.

Free-radical theory of aging

Diagnosis and therapies

Ranked list of diseases related to "physiological processes"Videos

Symptoms and diagnosis

Symptoms:

    

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WHO - World Health OrganizationPubMed - A service of the National Library of Medicine and National Institutes of HealthMEDLINE - Literature from the National Library of MedicineMeSH - Medical Subject HeadingsDeCS - Health Sciences Descriptors
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