In Spain, he has won one La Liga title, two Copas del Rey, two Champions League titles, and two Club World Cups. Ronaldo holds the record for most goals scored in a single UEFA Champions League season, having scored 17 goals in the 2013â14 season.
Plasma Membrane. All living cells, prokaryotic and eukaryotic, have a plasma membrane that encloses their contents and serves as a semi-porous barrier to the outside environment. The membrane acts as a boundary, holding the cell constituents together and keeping other substances from entering.lasma Membrane. All living cells, prokaryotic and eukaryotic, have a plasma membrane that encloses their contents and serves as a semi-porous barrier to the outside environment. The membrane acts as a boundary, holding the cell constituents together and keeping other substances from entering.
Descemet's membrane the posterior lining membrane of the cornea; it is a thin hyaline membrane between the substantia propria and the endothelial layer of the cornea. diphtheritic membrane the peculiar false membrane characteristic of diphtheria, formed by coagulation necrosis. drum membrane tympanic membrane.