Of all the cloth fibres, silk is the most cherished. It is the continuous filament exuded by the silkworm through a small opening under the jaws, called the spinneret, at the end of its larval stage....

Of all the cloth fibres, silk is the most cherished. It is the continuous filament exuded by the silkworm through a small opening under the jaws, called the spinneret, at the end of its larval stage. Silk is said to have played a leading part in the opening of the East-West trade route.