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Heart, blood vessels, and blood. Dominic Luster (Heart (Myocardium…

- - - - Is the outer lay and adheres to the diaphragm and great vessels.
    - - Visceral pericardium
        
        The inner layer of serious membrane it lies on the heart and is considered part of the heart wall.
      - Parietal pericardium
        
        The outer layer of serious membrane, attaches to the underside of the fibrous layer.
  - - - (visceral pericardium) is a serious membrane.
    - - Is a muscle, has intercaled disc's, no terminal cisterns.
    - - Lines the inner heart, covers the valves, and is made of simple squamous epi. and areolar C.T.
  - - - Branches off into 2 structure called the bundle of his.
    - - Branches that go into the papillary muscles
    - - Delays the signal so the ventricles can fill with blood.
    - - Makes an electrical signal that makes the heart start/beat.
  - - - Pumps blood from the right ventricle to the lungs via the pulmonary trunk.
    - - Pumps blood from the left atrium to the left ventricle.
    - - Pumps blood from the left ventricle through the aorta to the rest of the body.
    - - Pumps blood from the right atrium to the right ventricle.
- - - - Basophil
        
        Bi-lobes with a blue-purple cytoplasm that almost obstructs the nucleus, and a granulocyte.
      - Neutrophil
        
        Has multiple lobes with a pinkish cytoplasm, and a granulocyte
      - Eosinophil
        
        Bi-lobed with a red/orange cytoplasm, very rare, and a granulocyte.
      - Monocyte
        
        Has a kidney shaped nucleus
      - Lymphocyte
        
        Has a crescent moon shaped cytoplasm.
    - - Red blood cell
- - - - Fenestrated
        
        More leaky, high rate of exchange, small intestine, kidneys, endocrine glands, choroid plexus.
      - Sinuoid
        
        Large winding capillaries, liver, bone marrow, spleen.
      - Continuous
        
        Most common, found in the CNS, lungs, skin, skeletal muscle, smooth muscle.
  - - - Medium veins
        
        Has closed valves
      - Venule
        
        Smallest of the veins
      - Large veins
        
        Has a smooth muscle cell in the tunica externa, and vasa vasorum.
  - - - Muscular
        
        Takes blood to organs:groups, individuals, and parts.
      - Arterioles
        
        Smallest, 1-2 layers of smooth muscle.
      - Elastic
        
        Moves large amounts of blood. Aorta, pulmonary trunk, and large branches of the aorta.