A major effect of long-term weightlessness involves the loss of bone and muscle mass. Without the effects of gravity, skeletal muscle is no longer required to maintain posture and the muscle groups used in moving around in a weightless environment differ from those required in terrestrial locomotion.
Marina /ma-ri-na/ [3 sylls.] as a girls' name is pronounced mah-REE-nah. It is of Latin origin, and the meaning of Marina is from the sea. From marine. A saint's name. Shakespeare gave the name to Pericles' daughter in his play Pericles, Prince of Tyre.
1) The Lake District Sauls, probably originating from the Norse personal name SJOLFR, a contraction of SAE-ULFR, the Sea Wolf. These Sauls are also the origin of the Sauls in Lancashire, notably around Preston, Garstang, Winmarleigh and Liverpool. 2) The Gloucestershire Sauls, named after the village of Saul.