The tissue level of organization - Cell shape and number of layers determine the classification of epithelia
23 important questions on The tissue level of organization - Cell shape and number of layers determine the classification of epithelia
What are the two categories epithelia can be sorted in?
- The cell shape
- The number of cell layers
What are the possible categories when talking about cell layers?
- Simple
- Stratified
What is a transitional epithelium?
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What is keratinized and nonkeratinized?
A nonkeratinized stratified squamous epithelium resists abrasion, but will dry out and deteriorate unless kept moist.
Where are simple cuboidal epithelia located?
What is the function of a stratified cuboidal epithelia?
Where do you find stratified cuboidal epithelia?
Where do you find a simple columnar epithelium?
What is pseudostratified columnar epithelium?
Where do you find pseudostratified columnar epithelia?
Where do you find stratified columnar epithelia?
What are glandular epithelia?
Where does an endocrine gland release its secretions? What about an exocrine gland?
What are the three ways to classify an exocrine gland?
- The structure
- The way of secretion
- What the products are
What is merocrine secretion?
What is apocrine secretion?
What is holocrine secretion?
Identify the three cell shapes characteristic of epithelial cells.
- Squamous (thin and flat)
- Cuboidal (box shaped)
- Columnar (tall and slender)
When classifying epithelial tissue, one with a single layer of cells is called ____, whereas one with multiple layers of cells is called ____.
Viewed with a light microscope, a tissue appears as a simple squamous epithelium. Can this be a sample of the skin surface? Why or why not?
Why do the pharynx, esophagus, anus, and vagina have a similar stratified epithelial organization?
Name the two primary types of glandular epithelia.
- Endocrine
- Exocrine
The secretory cells of sebaceous glands fill with vesicles and then rupture releasing their contents. Which method of secretion is this?
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