Historical Examples. 1  It will be seen that the valves v on the other side of the annular chamber are closed. 2  The angle of the anterior chamber is a true angle and not an annular sinus. 3  Johnston suggests that the reference is to an annular eclipse which he finds occurred on August 14, at about 8Â¼ h. in the morning.
Cellular nutrients come in many forms, including sugars and fats. In order to provide a cell with energy, these molecules have to pass across the cell membrane, which functions as a barrier â but not an impassable one.
1 Cytoplasm is the material found inside the cell and is divided into two subdivisions: cytosol. and organelles.  Cytosol (intracellular fluid) contains dissolved nutrients, ions, soluble and insoluble. proteins, and waste products.