The arachnoid mater covering the brain is referred to as the arachnoidea encephali, and the portion covering the spinal cord as the arachnoidea spinalis.. The arachnoid and pia mater are sometimes considered as a single structure, the leptomeninx, or the plural version, leptomeninges. (Lepto- from the Greek root meaning thin). Similarly, the dura in this situation is called the pachymeninx.
Sweaty Hands Excessively sweaty hands are caused by the condition known as hyperhidrosis. Palmer (palm of the hand) hyperhidrosis is caused by a hyperactive sympathetic nervous system causing sweat glands in the hands to produce an excessive quantity of sweat.
Causes of Cramps in Hands and Fingers: Cramps are involuntary contractions of the muscles, which fail to relax immediately, resulting in severe pain. Skeletal muscle cramps are more common in the legs and calf muscles; however they can affect hands and other body parts.Here are a few reasons for causes of cramps in hands and fingers,1  Prolonged activities involving the hands and the fingers like typing, playing an instrument or doing needle work are associated with hand or finger cramps.reatment of Cramps in Hands and Fingers: 1  Prolonged and repetitive activities can result in stress, which in turn, can cause cramps. 2  Take a break every now and then to stretch the hands and shake them to avoid cramps. 3  Ensure that your diet is rich in green leafy vegetables and fruits, namely pineapple.