Podcast
Questions and Answers
Which one of the following is NOT a major salivary gland?
Which one of the following is NOT a major salivary gland?
- Minor salivary gland (correct)
- Submandibular gland
- Parotid gland
- Sublingual gland
Which type of cells help with the expulsion of saliva along the course of the duct?
Which type of cells help with the expulsion of saliva along the course of the duct?
- Myoepithelial cells (correct)
- Intercalated duct cells
- Striated duct cells
- Acinar cells
What is the function of saliva?
What is the function of saliva?
- Lubricates and protects oral tissues
- Aids in control of microbial flora in the oral cavity
- Starts digestion of complex carbohydrates
- All of the above (correct)
Which organ develops from the gut tube and maintains contact with other digestive organs via ducts?
Which organ develops from the gut tube and maintains contact with other digestive organs via ducts?
Which salivary gland produces watery secretion that accounts for 60% of the saliva it produces?
Which salivary gland produces watery secretion that accounts for 60% of the saliva it produces?
Which hormone stimulates glucose production via gluconeogenesis and glycogen breakdown in the pancreas?
Which hormone stimulates glucose production via gluconeogenesis and glycogen breakdown in the pancreas?
Which organ is the largest and heaviest internal organ, weighing about 1.5 kg in an adult?
Which organ is the largest and heaviest internal organ, weighing about 1.5 kg in an adult?
Which of the following is true about the portal triad in liver histology?
Which of the following is true about the portal triad in liver histology?
Which of the following is true about the hepatic sinusoids in liver histology?
Which of the following is true about the hepatic sinusoids in liver histology?
Which of the following is true about bile canaliculi in liver histology?
Which of the following is true about bile canaliculi in liver histology?
Which of the following is true about the gallbladder in gallbladder histology?
Which of the following is true about the gallbladder in gallbladder histology?
Study Notes
Salivary Glands and Functions
- Parotid, submandibular, and sublingual glands are major salivary glands; the palatine gland is NOT a major gland.
- Myoepithelial cells assist in the expulsion of saliva along the duct.
- Saliva serves multiple functions including lubrication, food digestion initiation, and maintaining oral hygiene.
Digestive System Development
- The pancreas develops from the gut tube and maintains contact with digestive organs via ducts.
Salivary Gland Functionality
- The submandibular gland produces a watery secretion that accounts for about 60% of total saliva production.
Hormonal Regulation
- Glucagon stimulates glucose production through gluconeogenesis and glycogen breakdown in the pancreas.
Human Anatomy
- The liver is the largest and heaviest internal organ, weighing approximately 1.5 kg in an adult.
Liver Histology
- The portal triad consists of a bile duct, hepatic artery, and portal vein, and is essential for liver function and blood supply.
- Hepatic sinusoids are specialized capillaries in the liver that allow for the exchange of substances between blood and liver cells, increasing surface area for this function.
- Bile canaliculi are small channels between liver cells that transport bile to bile ducts, crucial for digestion.
- The gallbladder stores and concentrates bile; histologically, it has a muscular wall that facilitates bile release into the duodenum.
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Description
Test your knowledge on the accessory organs of the gastrointestinal tract with this quiz. Learn about the gross anatomy and histology of the salivary glands and pancreas.
