How to use Namenda XR. Read the Patient Information Leaflet if available from your pharmacist before you start taking memantine and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Take this medication by mouth with or without food as directed by your doctor, usually once daily.
I also have a BSc in Agriculture. The albumin (or egg white) is what cushions and holds the yolk (the sac containing fatty acids that the embryo chick feeds off of) in the egg.
yolk sac. A sac attached to the gut of an embryo that encloses the yolk in bony fish, sharks, reptiles, mammals, and birds. In most mammals, the yolk sac functions as part of the embryo's circulatory system before the placenta develops.Thesaurus AntonymsRelated WordsSynonymsLegend:. A membranous sac attached to the embryo and enclosing the yolk in egg-laying vertebrates. In humans and other placental mammals, it functions as the circulatory system for the embryo before internal circulation begins.