Examlex
Like the RR Lyrae stars, Cepheids are all similar in luminosity, hence their use in measuring stellar distances.
Pseudostratified Ciliated Columnar
A type of epithelial tissue lining some air passages of the respiratory system, characterized by a single layer of cells with varying heights that appear stratified.
Stratified Squamous Epithelium
A type of epithelial tissue composed of several layers of cells, with the outermost layer consisting of flattened squamous cells, providing protection in areas subject to abrasion.
Simple Columnar Cells
A single layer of tall, closely packed cells, lining some sections of the gastrointestinal tract and other areas, involved in absorption and secretion.
Red Blood Cells
The cells in the blood that carry oxygen from the lungs to the body tissues and carbon dioxide back to the lungs.
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