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Questions and Answers
Questions and Answers
Where does the primary saliva formation occur?
Where does the primary saliva formation occur?
- In the sublingual glands
- Inside the ducts of the salivary glands
- Inside the acini of the salivary glands (correct)
- Within the parotid gland
What type of glands are the parotid, submaxillary, and sublingual glands?
What type of glands are the parotid, submaxillary, and sublingual glands?
- Endocrine glands
- Exocrine glands
- Apocrine glands
- Merocrine glands (correct)
What is the main component of primary saliva?
What is the main component of primary saliva?
- Amylase and mucin (correct)
- Enzyme-rich saliva
- Amylase
- Mucin
Which gland is the largest salivary gland?
Which gland is the largest salivary gland?
What type of saliva do the serous acini in the parotid gland produce?
What type of saliva do the serous acini in the parotid gland produce?
What do the ducts in salivary glands adjust in the second stage of saliva production?
What do the ducts in salivary glands adjust in the second stage of saliva production?
Which salivary gland is predominantly composed of serous acini?
Which salivary gland is predominantly composed of serous acini?
What is the primary function of salivary amylase?
What is the primary function of salivary amylase?
Where are the sublingual glands located?
Where are the sublingual glands located?
What is the predominant nature of the saliva produced by the submaxillary glands?
What is the predominant nature of the saliva produced by the submaxillary glands?
What is the main role of saliva in the digestive process?
What is the main role of saliva in the digestive process?
In which phase of salivary secretion does the brain signal our salivary glands to prepare for eating?
In which phase of salivary secretion does the brain signal our salivary glands to prepare for eating?
Which ion is NOT present in the inorganic substances found in saliva?
Which ion is NOT present in the inorganic substances found in saliva?
Which accessory salivary gland location is more concentrated?
Which accessory salivary gland location is more concentrated?
What is the primary composition of saliva?
What is the primary composition of saliva?
What is the predominant nature of saliva produced by the sublingual glands?
What is the predominant nature of saliva produced by the sublingual glands?
Saliva is a simple mixture of secretions from the main and accessory salivary glands, along with crevicular or gingival fluid.
Saliva is a simple mixture of secretions from the main and accessory salivary glands, along with crevicular or gingival fluid.
The primary salivary glands are the parotid, submaxillary, and sublingual glands.
The primary salivary glands are the parotid, submaxillary, and sublingual glands.
The main composition of saliva is only amylase and mucin.
The main composition of saliva is only amylase and mucin.
Ductal transport of water and electrolytes is the first stage of saliva production.
Ductal transport of water and electrolytes is the first stage of saliva production.
The parotid gland mainly contains mucin-rich saliva.
The parotid gland mainly contains mucin-rich saliva.
The primary saliva formation occurs outside the salivary glands in the ducts.
The primary saliva formation occurs outside the salivary glands in the ducts.
The parotid duct opens near the first upper molar.?
The parotid duct opens near the first upper molar.?
Submaxillary glands consist of only serous acini.?
Submaxillary glands consist of only serous acini.?
The saliva produced by submaxillary glands has strong amylase activity.?
The saliva produced by submaxillary glands has strong amylase activity.?
The sublingual glands are located above the buccal floor.?
The sublingual glands are located above the buccal floor.?
Accessory salivary glands are not found in the submucosal layer throughout the oral mucosa.?
Accessory salivary glands are not found in the submucosal layer throughout the oral mucosa.?
Saliva is primarily composed of inorganic substances.?
Saliva is primarily composed of inorganic substances.?
Saliva plays a role in maintaining the health and trophicity of oral tissues.?
Saliva plays a role in maintaining the health and trophicity of oral tissues.?
Salivary secretion is controlled in only two main phases.?
Salivary secretion is controlled in only two main phases.?
In the cephalic phase of salivary secretion, our brain signals our salivary glands to prepare for eating.?
In the cephalic phase of salivary secretion, our brain signals our salivary glands to prepare for eating.?
The gastrointestinal phase of salivary secretion starts when we think about or see food.?
The gastrointestinal phase of salivary secretion starts when we think about or see food.?
Questions and Answers
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Flashcards
Flashcards
Primary Salivary Glands
Primary Salivary Glands
The three primary glands responsible for producing saliva: parotid, submaxillary, and sublingual.
Exocrine Gland
Exocrine Gland
A type of gland that releases its secretions through ducts onto an epithelial surface.
Parotid Gland
Parotid Gland
The largest salivary gland, producing serous saliva rich in enzymes.
Submaxillary Gland
Submaxillary Gland
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Sublingual Gland
Sublingual Gland
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Ductal Transport (First Stage)
Ductal Transport (First Stage)
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Saliva Adjustment (Second Stage)
Saliva Adjustment (Second Stage)
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Cephalic Phase
Cephalic Phase
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Gastrointestinal Phase
Gastrointestinal Phase
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Salivary Amylase
Salivary Amylase
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Accessory Salivary Glands
Accessory Salivary Glands
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Flashcards
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Study Notes
Study Notes
Salivary Glands and Saliva Composition
- Primary saliva formation occurs within the salivary glands, specifically in the acini.
- The parotid, submaxillary, and sublingual glands are the three primary salivary glands.
- These glands are classified as exocrine glands, responsible for producing saliva.
Saliva Composition
- The main component of primary saliva is water, which makes up about 99% of saliva.
- The primary composition of saliva is a mixture of water, electrolytes, and organic substances, including enzymes, glycoproteins, and other substances.
Parotid Gland
- The parotid gland is the largest salivary gland and produces a serous-type saliva, which is rich in enzymes.
- The parotid gland is predominantly composed of serous acini.
Submaxillary and Sublingual Glands
- The submaxillary gland produces a mixed-type saliva, which is rich in both enzymes and mucins.
- The sublingual gland produces a mucous-type saliva, which is rich in mucins.
- The sublingual glands are located below the buccal floor, near the submandibular duct.
Saliva Production and Regulation
- Ductal transport of water and electrolytes is the first stage of saliva production.
- The second stage of saliva production involves the adjustment of water and electrolytes by ducts in salivary glands.
- Salivary secretion is controlled in two main phases: the cephalic phase and the gastrointestinal phase.
- The cephalic phase of salivary secretion occurs when we think about or see food, and our brain signals our salivary glands to prepare for eating.
- The gastrointestinal phase of salivary secretion starts during the oral processing of food.
Saliva Function
- The primary function of salivary amylase is to break down starches into simpler sugars.
- Saliva plays a role in maintaining the health and trophicity of oral tissues.
- The main role of saliva in the digestive process is to break down food and facilitate swallowing.
Additional Facts
- Accessory salivary glands are found in the submucosal layer throughout the oral mucosa and are more concentrated in the palate.
- Saliva is not a simple mixture, but a complex fluid with multiple components.
- The parotid duct opens near the second upper molar, not the first upper molar.
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