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.
The most common causes of hand or finger cramps or spasms are muscle spasm, diabetes, and carpal tunnel syndrome. Other possible causes, such as multiple sclerosis, are more rare. Muscle spasm 14. Diabetes 8. Carpal tunnel syndrome 6. Chronic pain disorder 6. Trigger finger (finger disorder) 6. Lumbago 5.