Salivary Gland Ducts Anatomy

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What is the primary function of the serous cells in the parotid gland?

To produce abundant α-amylase and proline-rich proteins

Which type of epithelium lines the main ducts of the salivary glands before they empty into the oral cavity?

Nonkeratinized stratified squamous epithelium

Which type of duct in the parotid gland is responsible for transporting the secretions from the acini to the main excretory duct?

Intercalated duct

What is the primary function of the striated ducts in the parotid gland?

To reabsorb ions

What is the overall composition of the intralobular duct system in the salivary glands?

A combination of various epithelial types, including simple cuboidal, stratified cuboidal, and pseudostratified

What is the significance of the atypical epithelial composition in the salivary gland ducts?

It reflects the diverse functions of the cells, including ion reabsorption, mucin secretion, and enteroendocrine functions

What is the primary secretory product of the sublingual gland?

Mucus

Which type of cells predominate in the submandibular gland?

Serous cells

What contributes to the formation of 'serous demilunes' in the submandibular gland?

Mucous cells swelling

What is the primary function of lysozyme secreted by the serous cells of salivary glands?

Bacterial wall hydrolysis

Which type of gland has a crescent-shaped arrangement known as 'serous demilunes'?

Submandibular gland

Which gland produces two-thirds of all saliva?

Submandibular gland

What is the primary function of the striated ducts in the salivary glands?

To reabsorb sodium ions from the initial secretion

Which of the following statements about the structure of striated ducts is correct?

The cells have infoldings of their basolateral membrane aligned with numerous mitochondria

What is the primary function of the intercalated ducts in the salivary glands?

To collect the initial secretion from the acini and tubules

Which of the following statements about the excretory ducts in the salivary glands is correct?

They have increasing size and thicker connective tissue layers as they join ducts from each lobule

What is the primary purpose of the infoldings of the basolateral membrane in the striated duct cells?

To increase the surface area for ion transport

Which of the following statements about the structure of the intercalated ducts is correct?

They are lined by cuboidal epithelial cells

Learn about the anatomy of salivary gland ducts, including intercalated ducts and striated ducts. Understand the functions and characteristics of each type of duct in the salivary gland system.

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