resembling a cobweb or spiderweb, such as the arachnoid membrane. arachnoidal, adj. adjective. (1) Spider-like in appearance. (2) Cobweb-like; covered with or consisting of entangled soft fibres or hair-like material.
Swollen feet can cause much discomfort. People often wonder that what causes swollen feet and cause of swollen feet. Basically a swollen feet or swollen ankle is an excessive fluid builds up in the muscles, which causes swelling. In other words, there is rapid increase in weight.
A: Causes of swollen ankles or feet include congestive heart failure, pregnancy, injury to the ankle or foot, kidney disease and sitting or being on one's feet for a long time, according to WebMD. If the person's ankles swell in the evening, it could also be a sign the body is retaining salt.