Salivary Glands Anatomy Quiz
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Questions and Answers

What is the largest salivary gland, and what is the name of its main duct?

The parotid is the largest salivary gland, and its main duct is Stensen duct.

What percentage of saliva does the submandibular gland produce, and what is the name of its main duct?

The submandibular gland produces about 60% of saliva, and its main duct is Wharton duct.

What types of glandular epithelial cells are found in salivary glands?

The two types of glandular epithelial cells found in salivary glands are serous cells and mucous cells.

What is the shape and characteristics of serous cells?

<p>Serous cells are pyramidal in shape with spherical nuclei at the base of their slightly basophilic cytoplasm.</p> Signup and view all the answers

What is the function and characteristics of myoepithelial cells?

<p>Myoepithelial cells are specialized epithelial cells located within the basal portion of glandular and ductal parts in several exocrine glands.</p> Signup and view all the answers

What is the percentage of saliva produced by the sublingual gland?

<p>The sublingual gland produces about 5% of saliva.</p> Signup and view all the answers

What is the characteristic of the epithelium lining the initial segments of interlobular ducts?

<p>Stratified cuboidal epithelium</p> Signup and view all the answers

What type of gland is the parotid salivary gland?

<p>Branched acinar gland</p> Signup and view all the answers

What is the difference between the submandibular gland and the parotid gland?

<p>The submandibular gland has both serous and mucous acini, while the parotid gland has only serous acini.</p> Signup and view all the answers

What is the characteristic of the basal nuclei of mucous cells in the submandibular gland?

<p>They are usually flattened, not rounded.</p> Signup and view all the answers

What is the characteristic of the sublingual gland?

<p>It lacks a clear fibrous capsule.</p> Signup and view all the answers

What is the characteristic of the serous cells in the submandibular gland?

<p>They look similar to those in the parotid gland.</p> Signup and view all the answers

What is the location of the liver in the human body?

<p>The liver is located in the upper right quadrant of the abdominal cavity, below the diaphragm and protected by the rib cage.</p> Signup and view all the answers

What are the two main lobes of the liver?

<p>The two main lobes of the liver are the right and left lobes, separated by the falciform ligament and round ligament.</p> Signup and view all the answers

What is the function of the Glisson capsule?

<p>The Glisson capsule is a thin connective tissue that surrounds the liver and provides a delicate supportive framework.</p> Signup and view all the answers

What percentage of the liver is composed of parenchyma?

<p>About 80% of the liver is composed of parenchyma, which is made up of hepatocytes arranged in a labyrinth of cellular plates.</p> Signup and view all the answers

What is the function of the interlobular C.T. septa?

<p>The interlobular C.T. septa separate the hepatic lobules from each other and arise from the Glisson capsule.</p> Signup and view all the answers

What is the shape and size of a classic hepatic lobule?

<p>A classic hepatic lobule has a prism form, about six sides, 1 mm in diameter, and 2 mm long.</p> Signup and view all the answers

What structures are present in a portal tract?

<p>branches of the portal vein, bile duct, and hepatic artery</p> Signup and view all the answers

What is the central vein in a hepatic lobule surrounded by?

<p>plates of liver cells (hepatocytes) that radiate from the central vein towards the periphery of the lobule</p> Signup and view all the answers

What is the characteristic of the endothelial cells lining the liver sinusoids?

<p>a discontinuous layer of fenestrated endothelial cells</p> Signup and view all the answers

What is the location of the Disse space?

<p>between hepatocytes and the sinusoids</p> Signup and view all the answers

What is the shape of hepatocytes?

<p>large polygonal cells</p> Signup and view all the answers

How many portal areas are present at the periphery of each hepatic lobule?

<p>3-6</p> Signup and view all the answers

What is the typical diameter of most pancreatic islets?

<p>100-200 micrometers</p> Signup and view all the answers

What types of cells are seen in the islet using immunohistochemical methods?

<p>Alpha, Beta, and Delta cells</p> Signup and view all the answers

What hormone is produced by Alpha cells in the pancreatic islets?

<p>Glucagon</p> Signup and view all the answers

What is the percentage of pancreatic islet cells that are Beta cells?

<p>About 70%</p> Signup and view all the answers

What is the function of the fine capsule of reticular fibers surrounding each islet?

<p>Separates the islet from the adjacent exocrine pancreatic tissue</p> Signup and view all the answers

What is the arrangement of cells within the islet of Langerhans?

<p>Lightly stained polygonal or rounded cells arranged in cords</p> Signup and view all the answers

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