AN important feature of the peripheral circulation is the close correspondence between the local needs of a given tissue and the amount of blood supplying it. Controlling mechanisms, to accomplish ...

This is a preview. Log in through your library . Abstract Analysis of the spatiotemporal coupling between neuronal activity and cerebral blood flow requires the precise measurement of the dynamics of ...

New research on tiny capillaries and cells called pericytes details how blood moves through over 400 miles of total vasculature in the human brain. While the human brain has over 400 miles of total ...

New research has uncovered that capillaries have the capacity to both sense brain activity and generate an electrical vasodilatory signal to evoke blood flow and direct nutrients to neurons. All it ...

Considering this knowledge of the retina, the investigators conducted a study in which the goals were to detect and quantify ...

When you sit quietly for a moment listening to your heart pump blood through your body, do you think about blood vessels as a firehose drenching your organs and brain with red blood cells full of ...

The study included 34 patients (24 women and 10 men; age, 27–55 years). The mean (SD) duration of RS symptoms prior to the baseline examination was 11 (10) years. The inclusion criterion was the ...

Bad Sch ¿ nborn, Germany-The impotence drug sildenafil (Viagra, Pfizer) appears to be effective in treating Raynaud's phenomenon resistant to standard vasodilators, according to a new study. In the ...