2638869
Descrição
Mapa Mental por Marilyn See, atualizado more than 1 year ago
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Criado por Marilyn See
aproximadamente 9 anos atrás
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Wound healing
- 1. Hemostasis
- Platelets
- stick on injured site
- bind together for less blood loss
- stick on injured site
- Blood loss
- physical barrier compromised
- blood clot
- fibrin (protein)
- prevent blood from flowing
- prevent bacteria from entering
- prevents infection
- prevent blood from flowing
- fibrin (protein)
- Platelets
- 2. Inflammation
- damaged, dead cells cleared
- White blood cells
- Phagocytosis
- Eat up bacteria and damaged tissues
- kill and ingest pathogens
- Eat up bacteria and damaged tissues
- Phagocytosis
- Vasodilation
- blood vessels expand
- white blood cells travel to wound site
- blood vessels expand
- damaged, dead cells cleared
- 3. Proliferation
- growth of new tissue
- epidermal cells divide
- dermis contracts to close wound
- reform outer layer of skin
- dermis contracts to close wound
- Collagen deposition
- fibroblast cells enter wound
- produce collagen
- form collective tissues to replace fibrin
- fibroblast cells enter wound
- growth of new tissue
- 4. Remodelling
- wound matures
- newly deposited collagen
- rearranged and converted into specific types
- rearranged and converted into specific types
- wound matures
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