Myosin pulls the thin filaments towards the middle on each side, thus shortening the sarcomere and causing contraction. Cross-Bridge Cycling. In the context of muscular contraction, a cross-bridge refers to the attachment of myosin with actin within the muscle cell. All muscle types - whether we're talking about skeletal, cardiac, or smooth - contract by cross-bridge cycling - that is, repeated attachment of actin and myosin within the cell.
Plantain is edible and medicinal, the young leaves are edible raw in salad or cooked as a pot herb, they are very rich in vitamin B1 and riboflavin. The herb has a long history of use as an alternative medicine dating back to ancient times.
Plantaginaceae. Several of the wild Plantains have been used indiscriminately for Plantago major. Of these, the most important is Plantago lanceolatus (Linn.), the Ribwort Plantain. ---Description--- This is a very dark green, slender perennial, growing much taller than P. major.--Parts Used---Leaves, seeds. Several of the wild Plantains have been used indiscriminately for Plantago major. Of these, the most important is Plantago lanceolatus (Linn.), the Ribwort Plantain. ---Description---This is a very dark green, slender perennial, growing much taller than P. major.