It can affect any part of your body that relies on nutrient-rich and oxygenated blood to function. That includes your legs, arms, feet and kidneys. When the problem is in the blood vessels that carry blood to any part of the body other than the heart, it is called peripheral vascular disease (PVD). You can learn more about types of PVD by clicking on the following links:
The insect order Neuroptera, or net-winged insects, includes the lacewings, mantidflies, antlions, and their relatives.The order contains about 6,000 species.he group was once known as Planipennia, and at that time also included alderflies, fishflies, dobsonflies, and snakeflies, but these are now generally considered to be separate orders (the Megaloptera and Raphidioptera). Sometimes the name Neuropterida is used to refer to these three orders as a group.
A dragonfly is an insect belonging to the order Odonata, suborder Anisoptera (from Greek Î±Î½Î¹ÏÎ¿Ï anisos uneven + ÏÏÎµÏÎ¿Ï pteros, wings, because the hindwing is broader than the forewing).ossils of very large dragonfly ancestors in the Protodonata are found from 325 million years ago (Mya) in Upper Carboniferous rocks; these had wingspans up to about 750 mm (30 in). About 3000 species of Anisoptera are in the world today. Most are tropical, with fewer species in temperate regions.