Medications

Fish oil supplements linked with heart rhythm disorder

Omega-3 supplements are associated with an increased likelihood of developing atrial fibrillation in people with high blood lipids. That's the finding of a study published today in European Heart Journal—Cardiovascular ...

Health

People with heart rhythm disorders warned over cannabis use

A study of 2.4 million hospitalized cannabis users has found that those with an arrhythmia were 4.5 times more likely to die while in hospital than those without. The research is presented at EHRA 2021, an online scientific ...

Cardiology

When chest pain hits, it's best to call an ambulance

The value of calling an ambulance when chest pain strikes, rather than arranging your own transport, has been confirmed by new research published today by the Medical Journal of Australia.

Oncology & Cancer

An amyloid link between Parkinson's disease and melanoma

On the surface, Parkinson's disease—a neurodegenerative disorder—and melanoma—a type of skin cancer—do not appear to have much in common. However, for nearly 50 years, doctors have recognized that Parkinson's disease ...

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Fibril

Fibril is a fine fiber approximately 1 nm in diameter.[citation needed]

Cytoplasmic fibrils are observed on the protoplasmic cylinders found in most spirochetal species, although no function of the cytoplasmic fibrils has been ascribed.[citation needed]

Polysaccharides, the union of several linked monosaccharides, sometimes serve as a structural compound. Cellulose, the most abundant organic compound on Earth[citation needed], forms cable-like strings, known as fibrils in the tough walls that enclose plant cells. While cellulose is a compilation of glucose monomers, they form unbranched, long strands instead of coils like starch or glycogen. These are arranged in parallel lines which form on top of each other in an intricate layer through hydrogen bonding.[citation needed]

Insect flight muscle is said to be fibrillar, in that it contracts in response to being stretched by antagonistic muscle, so as to allow very rapid (up to 1000 Hz) contraction.[citation needed]

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