Salivary & Pancreas Flashcards

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0
Q

Compound acinar examples?

A

Parotid, pancreas

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1
Q

Compound tubuluacinar examples?

A

Submandibular, sublingual

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2
Q

Striated duct features?

A
  • lined by high cuboidal cells, basal striations that parallel the longitudinal axis of the cell
  • striations are due to deep infoldings of the basal plasma membrane, which compartmentalize mitochondria
  • Fx.: Reabsorption of Na+, excretion of K+ & Bicarb into saliva
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3
Q

Parotid gland features?

A
  • Granules rich in proteins, including proline-rich enzymes
  • Serous gland
  • Myopithelial cells present
  • longest intercalated discs
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4
Q

Submandibular gland features?

A
  • mixed gland
  • demilunes
  • compound tubuloacinar
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5
Q

Sublingual glands features?

A
  • mucous gland
  • serous demilune
  • tubular and tubuloacinar glands
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6
Q

Saliva features?

A
  • Hypotonic solution unless stimulated sympathetically

- Most is secreted by submandibular glands (70%)

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7
Q

Comparison b/w pancreatic acini & parotid gland acini.

A

Parotid salivary gland

  • myoepithelial cells
  • striated ducts
  • serous acini
  • no centroacinar cells
  • no islets of Langerhans

Pancreas exocrine

  • no myoepithelial
  • no striated ducts
  • serous acini
  • centroacinar cells (squamous-to-cuboidal epithelial cells)
  • iselts of Langerhans
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