a narrow opening produced by cleavage or separation of parts. 2. cleavage (def 1). 3. Anatomy. a natural division or groove in an organ, as in the brain. verb (used with object), fissured, fissuring. 4. to make fissures in; cleave; split.
A diet rich in potassium helps to counterbalance some of sodium's harmful effects on blood pressure. Foods that are good sources of potassium are listed in the Food Sources of Potassium table on the next page.
Vitamins E and K. Pine nuts provide generous amounts of the essential vitamins E and K. Both of these nutrients have an effect on your cardiovascular system -- vitamin K allows you to form clots to prevent bleeding after injury, while vitamin E helps you produce red blood cells essential for oxygen transport.itamins E and K. Pine nuts provide generous amounts of the essential vitamins E and K. Both of these nutrients have an effect on your cardiovascular system -- vitamin K allows you to form clots to prevent bleeding after injury, while vitamin E helps you produce red blood cells essential for oxygen transport.