Vivian, in spite of his philosophy, felt the excitement of the moment. He has been growing worse lately and any excitement is dreadful for him. Mrs. Armstrong's air of excitement was very much in evidence. There was excitement on board of the Uncas the instant Clif's cry was heard.
Plaque or placque may refer to: 1  Commemorative plaque, a plate or tablet fixed to a wall to mark an event, person, etc. 2  Plaquette, a small plaque in bronze or other materials. 3  Memorial Plaque (medallion), issued to next-of-kin of dead British military personnel after World War 4  I. Plaque, a rectangular casino token.
In a proof-of-concept study in monkeys, biologists used the system to reduce levels of the protein amyloid-Î², which accumulates in the brain plaques associated with Alzheimer's disease. The bloodâbrain barrier is a layer of cells lining the inner surface of the capillaries that feed the central nervous system.It is nature's way of protecting the delicate brain from infectious agents and toxic compounds, while letting nutrients and oxygen in and waste products out.he anti-Alzheimer's antibody has two binding sites â one for crossing the blood-brain barrier, the other for disabling an enzyme that produces the plaques associated with the disease.