Thrombophlebitis Blood clots in the leg can become very dangerous; symptoms include swelling, redness, and leg tenderness. Transient ischemic attack (mini-stroke) Transient ischemic attacks cause headache, numbness, tingling, or weakness in the face, arm, or leg, and more.
serous membrane, one of the many thin sheets of tissue that line closed cavities of the body, such as the pleura lining the thoracic cavity, the peritoneum lining the abdominal cavity, and the pericardium lining the sac that encloses the heart.
Another type of serous fluid is secreted by the serous membranes (or serosa), two-layered membranes which line the body cavities. Serous membrane fluid collects on microvilli on the outer layer and acts as a lubricant and reduces friction from muscle movement. This can be seen in the lungs.nother type of serous fluid is secreted by the serous membranes (or serosa), two-layered membranes which line the body cavities. Serous membrane fluid collects on microvilli on the outer layer and acts as a lubricant and reduces friction from muscle movement. This can be seen in the lungs.