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 reason the hands and feet sweat excessively is due to a medical condition called hyperhydrosis. Sufferers of this condition have overactive sweat glands in certain areas of their body â in this case primarily in the palms of the hands and the soles of the feet. Palmar Hyperhidrosis. Palmar hyperhidrosis is the medical name for sweaty hands, and the exact cause of this problem is still debatable.