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The wall of pharynx consists of 4 layers:
1. Mucosa:
Epithelium:
Nasopharynx: respiratory epithelium "pseudostratified columnar ciliated with goblet cells".
Oropharynx: oral mucosa "non keratinized stratified squamous epithelium".
Lamina propria: Dense fibrous layer rich in elastic fibers - contains mucuos glands.
Pharyngeal mucosa lacks muscularis mucosae.
2. Submucosa: loose CT
3. Muscular layer: this is composed of inner longitudinal and outer oblique striated muscle.
4. Fibrosa: thin layer of fibrous CT.
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the pharynx the pharynx
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the throat. pharynx.
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Pharynx
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A frogs pharynx is twice the size of a humans
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No Penguins have 4 layers
What is the purposes of the pharynx?
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Neptune can be divided into a total of blank different layers?
4 layers
