For other uses, see Osmosis (disambiguation). Osmosis is the spontaneous net movement of solvent molecules through a semi-permeable membrane into a region of higher solute concentration, in the direction that tends to equalize the solute concentrations on the two sides.
Hand, Foot, and Mouth Disease Symptoms & Signs. The symptoms of hand, foot, and mouth disease are typically mild and occur mainly in children during the spring and fall seasons. Symptoms can include fever, malaise, decreased appetite, and sore throat. A rash is characteristic of this viral disease. The rash of hand, foot, and mouth disease is most commonly observed on the palms, soles of the feet, and inside the mouth. The rash sometimes spreads to the lower calves and buttocks.
More information about symptoms of Hand, Foot, & Mouth Disease and related conditions: 1  Other diseases with similar symptoms and common misdiagnoses. 2  Tests to determine if these are the symptoms of Hand, Foot, & Mouth Disease. 3  Symptoms that may be caused by complications of Hand, Foot, & Mouth Disease.