Part of that extra thickness is caused by the protein keratin, which is nourished in deeper layers of the skin but forms a surface layer of dead cells on the epidermis. This extra thickness may also explain why your hands and feet become wrinkled when you soak in the tub.
Antidiuretic hormone (ADH), also called arginine vasopressin (AVP), is a hormone that helps regulate water balance in the body by controlling the amount of water the kidneys reabsorb while they are filtering wastes out of the blood. This test measures the amount of ADH in the blood.
This is a blood test that measures the amount of adrenocorticotropic hormone (ACTH) the pituitary gland produces. This gland is a tiny organ that sits just below your brain.It secretes adrenocorticotropic hormone, which controls the production of another hormone called cortisol.he test requires a blood sample, which is drawn through a needle from a vein in your arm. You may have blood drawn in the morning and in the afternoon or evening. This is to check for variations in your levels of ACTH hormone.