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SALIVA > Gross anatomy and histology of salivary glands > Flashcards

Gross anatomy and histology of salivary glands Flashcards

1
Q

Functions of saliva?

A
  • digestive
  • antibacterial
  • mineral protection
  • lubrication
  • taste
  • Hormone production
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2
Q

What is the structure of glands?

A
  • tubuloacinar
  • merocrine
  • Parenchyma
  • Stroma
  • Ducts
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3
Q

What is parenchyma?

A

secretory tissue e.g. acini

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4
Q

How are acinar cells merocrine?

A

secrete products via secretory granules and cell undamaged

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5
Q

What is stroma?

A

connective tissue

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6
Q

What are functional areas in glands?

A

Lobules surrounded by stroma

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7
Q

What is mucous secretion?

A

viscous and not watery like serous

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8
Q

What are major salivary glands?

A

single structures enclosed by connective tissue

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9
Q

What are minor salivary glands?

A

contained in mucosa of Lip/cheek/palates/tongue

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10
Q

What are minor salivary gland secretions?

A

ALL MUCOUS except serous tongue

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11
Q

What are Glands of Von Ebner?

A

minor serous glands on dorsum of tongue beneath circumvallate papillae

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12
Q

Where are serous acini and ducts?

A

Parotid and serous part of submandibular

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13
Q

Why do cells of serous acinus look granular?

A

secretory granules

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14
Q

What is pathway of saliva once secreted?

A

lumen> intercalated duct> striated duct> secretory ducts> combine into one single suct

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15
Q

Where are mucous acini and ducts?

A

Sublingual gland and Submandibular mucous part

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16
Q

What are mucous acini like?

A

tubes

no intercalated or striated ducts

17
Q

What are serous demilunes at end of mucous acini?

A

they are all serous secreting cells in sublingual

18
Q

How is ductal system formed to edge of lobule?

A

just from mucous acini

19
Q

What are stained white areas in parotid micrograph?

A

Fat cells- acini replaced by fat cells in ageing

20
Q

What are on the lateral borders of dorsal circumvallate papilla?

A

taste buds in troughs

21
Q

What allows taste buds to remain functional?

A

secretions from von Ebner glands embedded below papillae

22
Q

What is submandibular duct opening into sublingual papilla called?

A

Whartons duct

23
Q

Where does sublingual ducts open into?

A

floor of mouth around sublingual folds

SALIVA (7 decks)

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