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.
Immune System Disorders. Schleroderma and psoriasis are two of the many autoimmune disorders that can cause skin peeling on fingers and hands. These conditions are only some of the possible medical conditions that can cause this symptom. A condition called Kawasaki disease can also cause skin to peel on the hands. This condition most commonly affects only children age five and younger. Fungal infections and allergic reactions are common causes of skin that itches and peels.