A vesicle can be thought of like a tiny pouch that surrounds the molecule and ushers it through an opening in the cell membrane. Examples of Selectively Permeable Membranes Selectively permeable membranes can be found around a variety of cells and places.
Weft Knitting Manufacture. Weft knitting is a knitted piece of fabric where the stitches run from left to right horizontally across the fabric. It is usually knitted with one piece of yarn, and can be made either by hand or using a knitting machine.
a fine cord of flax, cotton, or other fibrous material spun out to considerable length, especially when composed of two or more filaments twisted together. 2. twisted filaments or fibers of any kind used for sewing. 3. one of the lengths of yarn forming the warp or weft of a woven fabric. 4. a filament or fiber of glass or other ductile substance.