What is necrosis?

Necrosis is the cell death that takes place when they have been damaged irreversibly. Necrotis tissue is dead tissue or tissue injured beyond repair - non-viable tissue. This can be a portion of soft tissue or an organ. It is often present in wounds and in order for a wound to heal, the dead (necrotic) tissue must…

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What is Biofilm?

Biofilm is a mucous substance that bacteria secrete and in which they embed themselves. Biofilms are part of the bacterial defences against the immune system and constitute a barrier to the body’s immune cells as these encounter considerable difficulties penetrating the biofilm in order to target the bacteria inside. Biofilms are complex structures with well organised own…

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What is capillary action / capillary forces?

Capillary action is the movement of water within the spaces of a porous material due to the forces of adhesion, cohesion, and surface tension. In less technical terms, capillary action occurs because water is sticky, which means that water molecules stick to each other and to other materials. Sticking to the walls of a tube or pore…

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What is the difference between Microbiome, Microbiota and Microflora in relation to wounds?

The microbiota is the population of microorganisms (bacteria, fungi, viruses and mites) inhabiting the skin / wound.   The microbiome is the wound ecosystem of which the microorganisms (the microbiota) form part alongside the products resulting from their interaction with the wound environment.   Microbiota is the newer and correct word for what was formerly referred to…

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