1 Stratified signifies two or more layers of epithelial cells. 2  By convention, a stratified epithelium is described according to the shape of cells on its free surface. 3  Regardless of whether the surface cells are squamous, cuboidal, or columnar, the underlying cells are usually cuboidal.pithelial tissue is one of the four basic tissue types. Several features characterize epithelial tissue and distinguish it from connective tissue, muscle tissue, and nervous tissue. 1  Epithelial tissue covers surfaces with an uninterrupted layer of cells.
GLOSSARY LIST OF COMMONLY USED TERMS. 1  Allowable Charge: The amount a benefit plan determines to be a reasonable charge for a service. 2  Ambulatory Surgery: Surgery performed on an outpatient basis where the patient goes home the same day of the surgery.
The Glossary is a collection of definitions of agricultural terms developed in conjunction with the creation of the NAL Agricultural Thesaurus. The 2017 edition contains 5,223 terms ranging across agriculture and its many ancillary subjects. Most definitions were composed by the NAL Thesaurus Staff. Those definitions taken from government sources are indicated in the Definition Source field and are included in the bibliography.