Termite baiting is really a simple process, but can be confusing since there are so many bait products to choose from. The bottom line is that all termite bait systems work. Some take longer than others to achieve control.
The somatic mesoderm, which is adjacent to the ectoderm and amnion, gives rise to the bones, ligaments, blood vessels, and connective tissue of the limbs.
1 The middle layer, or mesoderm, gives rise to the muscles, skeleton if any, and blood system. 2  The outer layer of cells, or ectoderm, gives rise to the nervous system, including the brain, and skin or carapace and hair, bristles, or scales.