Which tissue type is described as being taller than it is wide?

The tissue type described as being taller than it is wide is indeed the simple columnar epithelium. This type of epithelial tissue is characterized by its elongated cells that resemble columns, making it clearly taller than it is wide. Simple columnar epithelium is typically found lining organs such as the intestines and stomach, where its structure aids in absorption and secretion.

In addition to simple columnar, the term "columnar" can also apply to stratified columnar epithelium, which consists of multiple layers of cells and includes columnar cells at the surface. However, the defining trait of being taller than wide specifically aligns with simple columnar epithelium, especially considering its role in a single layer rather than a stratified formation. Stratified columnar epithelium would not be described as just "taller than it is wide," as the presence of multiple layers complicates the pure description based on cell height relative to width.

It is essential to differentiate these types of epithelium by their structure and function to determine their roles in the body's tissues.