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Integumentary System
| Medical Term | Meaning |
|---|---|
| epithelium | a tissue composed of a layer of cells |
| squamos | flat cells with an irregular flattened shape; minimal barrier to diffusion; relatively inactive metabolically |
| cuboidal | have a shape similar to a cube |
| columnar | taller than they are wide; small intestine lined with this tissue; have microvilli, great for absorbtion |
| transitional | lining organs that can stretch; cells can slide over each other |
| simple | single layer of cells |
| stratified | More than one layer of cells; can usually withstand large amounts of stress; cannot have cilia |
| pseudostratified with cilia | in pseudostratified columnar epithelium; only a single layer of cells, but the position of the nuclei gives the impression that it is stratified |
| integumentary system | largest organ system of an animal by surface area, comprising skin, hair, feathers, scales, nails, sweat glands and their products |