Quick Answer. Calcium is a crucial part of muscle contraction. The ionic element is released from muscles during contraction and relaxation. The release of calcium helps propagate the muscle contraction and relaxation stages.
dry skin. Also found in: Dictionary, Thesaurus, Wikipedia. Related to dry skin: eczema. dry skin. epidermis that lacks moisture or sebum, often characterized by a pattern of fine lines, scaling, and itching. Causes include too frequent bathing, low humidity, and decreased production of sebum in aging skin. Treatment includes decreased frequency of bathing, increased humidity, bath oils, emollients such as lanolin and glycerin, and hydrophilic ointments. Also called xerosis [zÄrÅâ²sis] .
If your skin is very dry, or if you have an associated red dermatitis, it is a good idea to seek the advice of your dermatologist or family physician. Causes of dry skin. The outermost layer of the skin is called the stratum corneum. (This is the layer that peels off after a sunburn). The stratum corneum consists of dead skin cells embedded in a mixture of natural oils (lipids) that are made by underlying living skin cells.