Hemostasis

Description

The blood
نشوة عمران
Mind Map by نشوة عمران, updated more than 1 year ago More Less
Anano Ridlington
Created by Anano Ridlington over 8 years ago
نشوة عمران
Copied by نشوة عمران almost 7 years ago
0
0

Resource summary

Hemostasis
  1. Blood vessel ruptures
    1. 1).Vascular spasm
      1. The smooth muscle layer constricts
    2. 2).Platelet plug formation
      1. Platelets attach to exposed collagen fibres
        1. Release substances that promotes platelet aggregation
      2. Coagulation
        1. The intrinsic mechanism
          1. Initiated by contact with exposed the exposed collagen
            1. Activated simultaneously
              1. Prothrombin activator is formed
                1. Converted into thrombin
                  1. Forms long threads of fibrin
                    1. Surrounds the platelets and creates the framework
                      1. RBC become trapped in the framework
                        1. Platelets contract and clot retracts
                          1. Blood vessel repairs
                            1. Plasmin destroys fibrin network
                              1. Fluidity of the plasma is restored
          2. The extrinsic mechanism
            1. Damaged tissue releases tissue thromboplastin and activates this mechanism
              1. Both mechanisms are activated simultaneously
          Show full summary Hide full summary

          Similar

          Biology AQA 3.1.3 Cells
          evie.daines
          Biology AQA 3.2.5 Mitosis
          evie.daines
          Biology AQA 3.1.3 Osmosis and Diffusion
          evie.daines
          Biology- Genes, Chromosomes and DNA
          Laura Perry
          Biology- Genes and Variation
          Laura Perry
          Enzymes and Respiration
          I Turner
          GCSE AQA Biology - Unit 2
          James Jolliffe
          GCSE AQA Biology 1 Quiz
          Lilac Potato
          Using GoConqr to study science
          Sarah Egan
          Cells and the Immune System
          Eleanor H
          GCSE Biology AQA
          isabellabeaumont