What is the serous membrane that covers the lungs?
pleura
A pleura is a serous membrane that folds back on itself to form a two-layered membranous pleural sac. The outer layer is called the parietal pleura and attaches to the chest wall. The inner layer is called the visceral pleura and covers the lungs, blood vessels, nerves, and bronchi.
What serous fluid surrounds the lungs?
The pleura is the serous membrane that surrounds the lungs in the pleural cavity; The peritoneum is the serous membrane that surrounds several organs in the abdominopelvic cavity.
Why are the lungs wrapped in a serous membrane?
Pleural Membrane Function The pleural fluid also provides surface tension, keeping the lung suitably close to the wall of the thorax, despite the lungs not being directly fixed to it. The pleurae thus allow the volume of the lungs to change with the volume of the thoracic cavity, enabling ventilation.
What is called the covering of lungs?
The pleura includes two thin layers of tissue that protect and cushion the lungs. The outer layer (parietal pleura) lines the inside of the chest wall. The very thin space between the layers is called the pleural cavity.
What is the serous membrane?
Listen to pronunciation. (SEER-us MEM-brayn) The outer lining of organs and body cavities of the abdomen and chest, including the stomach. Also called serosa.
What is the name of the serous membrane that surrounds the left lung?
the pleura
Gross Anatomy In humans and rodents, the serous membrane lining the thoracic cavity and surrounding the lungs is referred to as the pleura. This is subdivided into two anatomic components: the visceral pleura encases the lung parenchyma, whereas the parietal pleura lines the inner chest wall.
What is the name of the covering Serosa that covers and protects the lungs?
The pleural membranes are two layers of serous membrane which enclose and protect the lung. The superficial layer is called parietal pleura and lines the wall of the thoracic cavity. The deep layer is called visceral pleura and covers the lungs themselves.
What is the cardiac notch?
The cardiac notch is an indentation on the surface of the left lung, and it allows space for the heart (Figure 1). The apex of the lung is the superior region, whereas the base is the opposite region near the diaphragm. The costal surface of the lung borders the ribs. The mediastinal surface faces the midline.
Where is serous membrane?
Serous membranes are membranes lining closed internal body cavities. The pleura, pericardium and peritoneum are serous membranes that line respectively the pleural, pericardial and peritoneal cavities. Serous membranes secrete a slight amount of lubricating fluid.
What is the primary function of serous membranes?
The serous membrane has a number of functions related to protection of the organs and body cavities which it encloses. It allows the frictionless movement of the heart and lungs , as well as the organs of the abdominal cavity. This allows movement of the smooth muscles without damage to the organs.
What covers the lungs as a protective membrane?
The mesothelium is a protective membrane that covers the lungs, abdomen, heart and testes. Mesothelioma cancer can develop in the mesothelium as a result of asbestos exposure. The mesothelium was formerly believed to solely serve as a slippery, protective coating for certain organs.
What is the protective membrane called that protects the lungs?
The lungs are protected by two membranes called the pleural membranes. The outer pleural membrane is called the pleura and the inner one is called the visceral or pulmonary layer. There is a space between the two layers called the intrapleural space.
What membrane or sac that encloses each lung is?
nasopharynx. The membrane or sac that encloses each lung is a: pleura . In order to carry air to both lungs, the trachea branches into two tubes called: bronchi. The upper respiratory tract contains: nose, mouth, pharynx, epiglottis, glottis, larynx, trachea. Which of the following statements is not true of sinuses: a.