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.
The most conspicuous tissue feature of the stomach is the thick glandular mucosa, packed with gastric glands which secrete digestive enzymes and acid. The thick mucosa of the stomach is characterized by closely packed tubular glands beneath a surface of simple columnar epithelium.