Scorpions in Arizona About 40-60 species occur in Arizona, although many are undescribed. The bark scorpion (Centruroides sculpturatus) is the only species in Arizona of medical importance.In the U.S. the bark scorpion is found in southeastern California, Arizona, Nevada, southern Utah, and southwestern New Mexico.
Epithelium (epi- + thele + -ium) is one of the four basic types of animal tissue. The other three types are connective tissue, muscle tissue and nervous tissue. Epithelial tissues line the cavities and surfaces of blood vessels and organs throughout the body.There are three principal shapes of epithelial cells: squamous, columnar, and cuboidal.he other three types are connective tissue, muscle tissue and nervous tissue. Epithelial tissues line the cavities and surfaces of blood vessels and organs throughout the body. There are three principal shapes of epithelial cells: squamous, columnar, and cuboidal.
Blood is a highly specialized, fluid tissue. Blood is traditionally classified as a specialized form of connective tissue. To appreciate the basic unity of blood and other varieties of connective tissue, consider the following.1  All of the several blood cell types originate in the connective tissue of bone marrow.Certain white blood cells, notably lymphocytes and monocytes, move freely back and forth between blood and other connective tissues.ll of the several blood cell types originate in the connective tissue of bone marrow. Certain white blood cells, notably lymphocytes and monocytes, move freely back and forth between blood and other connective tissues.