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.
Learn something new every day. More Info... by email. wiseGEEK Slideshows. The terms warp and weft are used in reference to textiles, specifically those that are woven. In the literal sense, they are the technical terms for the two types of thread used to create a finished woven product.