FIG. 149 Ethmoid bone from above. The ethmoid bone is exceedingly light and spongy, and cubical in shape; it is situated at the anterior part of the base of the cranium, between the two orbits, at the roof of the nose, and contributes to each of these cavities.IG. 151 Ethmoid bone from behind. FIG. 152 Ethmoid bone from the right side. FIG. 153 Lateral wall of nasal cavity, showing ethmoid bone in position. In front of the lamina papyracea are some broken air cells which are overlapped and completed by the lacrimal bone and the frontal process of the maxilla.
Spinosad is a natural substance made by a soil bacterium that can be toxic to insects. It is a mixture of two chemicals called spinosyn A and spinosyn D. It is used to control a wide variety of pests.These include thrips, leafminers, spider mites, mosquitoes, ants, fruit flies and others.pinosad is also found in some drugs regulated by the US Food and Drug Administration. These products are used to control head lice on people and fleas on dogs and cats.
Spinach (Spinacia oleracea) is an edible flowering plant in the family Amaranthaceae native to central and western Asia. Its leaves are eaten as a vegetable. It is an annual plant (rarely biennial) growing as tall as 30 cm (1 ft). Spinach may survive over winter in temperate regions. The leaves are alternate, simple, ovate to triangular, and very variable in size from about 2â30 cm (1â12 in) long and 1â15 cm (0.4â5.9 in) broad, with larger leaves at the base of the plant and small leaves higher on the flowering stem.