What is the definition of pseudostratified?
Understand the Problem
The question is asking for the definition of the term 'pseudostratified', which typically refers to a type of epithelial tissue that appears to be stratified but is actually a single layer of cells with varying heights.
Answer
Pseudostratified epithelium appears layered but all cells are attached to the basement membrane.
The final answer is: Pseudostratified epithelium consists of closely packed cells which appear to be arranged in layers but all of which are attached to the basement membrane.
Answer for screen readers
The final answer is: Pseudostratified epithelium consists of closely packed cells which appear to be arranged in layers but all of which are attached to the basement membrane.
More Information
Pseudostratified epithelium is common in the respiratory tract, where it helps in secretion and protection against foreign particles.
Tips
Don't confuse pseudostratified with truly stratified epithelium; the former has all cells attached to a single basement membrane, whereas the latter has cells stacked in distinct layers.
Sources
- Merriam-Webster Medical Definition: pseudostratified - merriam-webster.com
- Pseudostratified Columnar Epithelium - Wikipedia - en.wikipedia.org
- Pseudostratified Epithelium Definition and Examples - Biology Online - biologyonline.com
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