Small, round areas composed of remnants of lost neurons and beta-amyloid, a waxy protein deposit; present in the brains of patients with Alzheimer's disease.

See amyloid plaque.

unusual clumps of material found between the tissues of the brain in Alzheimer's disease. See also amyloid plaques.

When used in regard to atherosclerosis, this term fatty deposits inside blood vessels

Fibrous lesions with a core of dead foam cells.

Deposit, consisting of fatty substances such as cholesterol, hardened with fibrous matter and calcium, in an artery affected by atherosclerosis.

Silvery scales and flakes that are symptomatic of the most common type of psoriasis.

Plaque is flattish raised patch on the skin. Psoriatic plaques are patches of thickened and reddened skin that are covered by silvery scales.

A raised patch on the skin or on a mucous membrane surface.

plaques - malignant pleural mesothelioma.

see neuritic plaques.

patchy areas of inflammation and demyelination typical of MS, plaques disrupt or block nerve signals that would normally pass through the regions affected by the plaques.

In radiotherapy treatment, this means a tiny plate that is lined with radioactive material. Radioactive plaques are used in radiotherapy to the eye. The plaques are stitched in place over the area containing the cancer. They are left there for several days to deliver radiation directly to the cancer. You are given an anaesthetic when the plates are put in place and when they are removed.

A small metal plate mounted on a frame, usually showing the artistï3/4's name and name of the artwork.