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.
Origin of the name Marianna: A name that originated as an extended spelling of Marian, a variant of Marion which is a French diminutive form of Marie, a cognate of Mary. It is now used as a hybrid, combining the names Mary and Anne.Var: Mariann, Marianne, Mary Ann, Mary Anna, Mary Anne.From A World of Baby Names by Teresa Norman.omments and insights on the name Marianna: | Edit. My name is Marianna. I was named after my Italian Grandmother. The Italian pronunciation is very different from the English possibilities. I grew up with all of my family members using the Italian (or Spanish) pronunciation.