#serous_membrane__serosa  a thin membrane lining the closed cavities of the body; has two layers with a space between that is filled with serous fluid
  supertype:  #tissue_layer__membrane  a pliable sheet of tissue that covers or lines or connects organs or cells of animals
  subtype:  #pleura  the thin serous membrane around the lungs and inner walls of the chest
     subtype:  #parietal_pleura  pleura that lines the inner chest walls and covers the diaphragm
     subtype:  #visceral_pleura  pleura that covers the lungs
  subtype:  #peritoneum  a transparent membrane that lines the abdominal cavity in mammals and covers most of the viscera
     subtype:  #mesentery  a double layer of peritoneum that attaches to the back wall of the abdominal cavity and supports the small intestines
        subtype:  #mesocolon  mesentery that holds the lower colon the back abdominal wall
     subtype:  #omentum  a fold of peritoneum supporting the viscera
        subtype:  #greater_omentum__greateromentum__gastrocolic_omentum__gastrocolicomentum__caul  part of the peritoneum attached to the stomach and to the colon and covering the intestines
        subtype:  #lesser_omentum  a part of the peritoneum attached to the stomach and liver and supporting the hepatic vessels
  subtype:  #endocardium  the membrane that lines the cavities of the heart and forms part of the heart valves
  subtype:  #pericardium  a double-layered serous membrane that surrounds the heart
  subtype:  #epicardium__visceral_pericardium  the innermost of the two layers of the pericardium
  subtype:  #parietal_pericardium  the tough outermost layer of the pericardium that is attached to the diaphragm and the sternum

No statement uses or specializes #serous_membrane; click here to add one.