Mindblown: a blog about philosophy.
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Hemagglutination inhibition
A laboratory test in which the lack of agglutination (clumping) of red blood cells (RBCs) indicates that antibodies are present in the patient’s blood. Certain viruses (e.g., mumps, measles, rubella, adenovirus) bind with RBCs and cause clumping. However, antibodies, if present, quickly bind with the virus, preventing viral binding to RBCs and the resulting agglutination.…
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Hemadsorption
The adherence of red blood cells to other cells or surfaces.
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Heloderma
Fibromas that form on the extensor surfaces of the proximal interphalangeal joints of the hands.
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Helminthoma
A tumor caused by parasitic worms.
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Helminthology
The study of worms.
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Helminthoid
Wormlike or resembling a worm.
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Helmet cell
A schistocyte or fragmented blood cell, seen in hemolytic anemias.
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Hellerwork
A therapeutic approach emphasizing deep massage, movement exercises, and verbal dialogue to encourage relaxation, release tight connective tissue, and promote general health. A complex form of bodywork/massage named for its founder Joseph Heller. Heller began as a student of Ida P. Rolf, who had developed a form of mas¬ sage distinctive for its manipulation of…
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Helium 3
An isotope of helium whose nucleus contains two protons and a single neutron. Helium 3 is a stable gas. The isotope is polarizable, making it suitable as a gaseous contrast agent for use in magnetic resonance imaging.
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Helicase
A donut-shaped enzyme that uncoils double-stranded DNA, allowing it to replicate. Syndromes in humans in which helicase is deficient predispose these people to premature aging or cancer.
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