Foam cells, also called lipid-laden macrophages, are a type of cell that contain cholesterol. These can form a plaque that can lead to atherosclerosis...
17 KB (2,058 words) - 16:04, 25 July 2024
closed-cell or open-cell. In closed-cell foam, the gas forms discrete pockets, each completely surrounded by the solid material. In open-cell foam, gas...
39 KB (5,409 words) - 18:48, 4 August 2024
The pores can be sealed (closed-cell foam) or interconnected (open-cell foam). The defining characteristic of metal foams is a high porosity: typically...
45 KB (5,300 words) - 12:35, 25 July 2024
polyurethane foam comes in a range of densities and cell structure. Low density foams are referred to as open cell SPF while higher density foams are referred...
20 KB (2,460 words) - 11:34, 24 July 2024
referred to as "viscoelastic" polyurethane foam, or low-resilience polyurethane foam (LRPu). The foam bubbles or ‘cells’ are open, effectively creating a matrix...
17 KB (2,023 words) - 11:20, 3 April 2024
Atherosclerosis (section Vascular smooth muscle cells)
carries it back to the liver. The foam cells and platelets encourage the migration and proliferation of smooth muscle cells, which in turn ingest lipids,...
100 KB (11,153 words) - 19:49, 23 July 2024
Biofoam (category Foams)
of the cell. If no more than one of the walls of the cell are holes, the foam is considered closed-celled in nature. For most synthetic foams, a mixture...
29 KB (3,151 words) - 16:12, 27 June 2024
(PVC) foam Closed-cell PVC foamboard Silicone foam Microcellular foam Ultralight material Taskin, Omer Suat (2023). "Polymeric Foams: Materials, Technology...
2 KB (179 words) - 00:47, 1 July 2024
used as thermal insulation and as a soundproofing material. The open-cell foam is microporous and its polymeric substance is very hard, so that when...
5 KB (540 words) - 11:29, 25 June 2024
and taken up by macrophages, which become engorged and form foam cells. These foam cells often become trapped in the walls of blood vessels and contribute...
80 KB (8,530 words) - 10:23, 11 August 2024