Glandular Tissue Flashcards

0
Q

What are the two types of glandular tissue?

A

Exocrine and Endocrine

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1
Q

What is the purpose of Glandular tissue?

A

Produce chemical substances necessary for normal body functions.

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2
Q

What is an exocrine gland?

A

Glandular tissue that is associated with a duct serving as a passageway for secretion to be emptied directly into site of use.

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3
Q

What is an endocrine gland?

A

Glandular tissue that is DUCTLESS; secretions are poured directly into the blood.

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4
Q

Where are the lacrimal glands found?

A

Lacrimal fossa; on the superior and lateral portion of the orbit.

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5
Q

What is the normal function of the lacrimal gland?

A

To keep the eye moist.

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6
Q

An increase in lacrimal secretions can cause what to happen while crying?

A

Runny nose

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7
Q

Where does the lacrimal gland drain?

A

The nasolacrimal duct; medial aspect of the eye.

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8
Q

True or False the lacrimal gland is an endocrine gland.

A

False; the endocrine gland drains through the nasolacrimal duct, making it an exocrine gland.

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9
Q

What are the three main functions of the major salivary glands?

A
  1. Lubricate
  2. Cleanse
  3. Digestive (salivary amylase)
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10
Q

How does size effect the function of salivary glands?

A

If the glands are enlarged they can change the quantity and quality of secretions.

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11
Q

What are the three main functions of the minor salivary glands?

A
  1. Assisting with taste
  2. Remineralize tooth structures
  3. Spitting
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12
Q

This gland is the largest of the salivary glands, what is it?

A

Parotid gland

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13
Q

What percentage of saliva does the Parotid gland produce?

A

25%

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14
Q

What type of secretions are produced by the Parotid gland?

A

Serous (watery) secretions

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15
Q

What type of gland is the Parotid gland?

A

Exocrine gland

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16
Q

Where is the Parotid gland located?

A

Parotid space

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17
Q

What duct does the Parotid Gland drain through?

A

Stensens duct

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18
Q

Where is Stensens duct located?

A

Opposite of the maxillary second molar.

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19
Q

What is the second largest salivary gland?

A

Submandibular gland

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20
Q

What percentage of saliva is produced by the submandibular gland?

A

65-70%

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21
Q

Where is the submandibular gland located?

A

The submandibular space

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22
Q

What type of secretions are produced by the submandibular glands?

A

Serous(watery) and Mucous(thicker)

23
Q

What duct is used by the submandibular gland?

A

Wharton’s Duct

24
Q

Where is Whartons duct found?

A

In the sublingual carnuncle.

25
Q

What gland is associated with glieking?

A

Submandibular gland?

26
Q

Why does glieking occur?

A

Muscles compress Wharton’s duct and expels salvia.

27
Q

What is the smallest gland that produces salvia?

A

Sublingual gland

28
Q

What percentage of saliva is produced by the sublingual glands?

A

5-10%

29
Q

What type of secretions do sublingual glands produce?

A

mucous(thick)

30
Q

Where is the sublingual gland located?

A

The sublingual space

31
Q

What type of gland is the sublingual gland?

A

An exocrine gland

32
Q

What duct is used by the sublingual glands?

A

Bartholins duct

33
Q

Where does Bartholins duct transport secretions to?

A

The Oral Cavity

34
Q

True or false, salivary function is controlled by the autonomic nervous system.

A

True

35
Q

What is Parasympathetic Innervation responsible for doing in the control of salivary function?

A

Increases saliva flow

36
Q

What is Sympathetic innervation responsible for doing in controlling salivary function?

A

Reducing

37
Q

Why does sympathetic innervation decrease salivary function?

A

It constricts blood flow taking away the raw materials (like water) needed to produce saliva.

38
Q

True or False otic ganglion (of the Parotid gland) and the submandibular ganglion are part of sympathetic innervation?

A

False, they are part of the parasympathetic innervation

39
Q

What is the otic ganglion innervated by?

A

IX

40
Q

Where are the minor salivary glands found?

A
Soft palate
Hard palate (lateral)
Floor of the Mouth
Buccal and Lingual Mucosa
Circumvallate papillae
41
Q

What are the minor salivary glands innervated by?

A

VII

42
Q

What are VonEbners glands?

A

Glands that secrete serous saliva and are associated with the minor salivary glands via the circumvallate papillae.

43
Q

Where is circumvallate papillae found?

A

Posterior part of the dorsal side of the tongue.

44
Q

What are the three endocrine glands?

A

Thyroid gland
Parathyroid gland
Thymus

45
Q

What is the largest endocrine gland associated with the head and neck areas?

A

Thyroid gland

46
Q

Where is the thyroid gland located?

A

Inferior thyroid cartilage in the midline of the neck.

47
Q

What is the Thyroid Gland innervated by?

A

Cervical ganglia

48
Q

What does the thyroid gland stimulate?

A

Metabolic rate

49
Q

What happens when the thyroid gland is not functioning properly?

A

People may experience a drop in energy and become lethargic.

50
Q

What is the function of the parathyroid gland?

A

To regulate calcium and phosphate levels in the body.

51
Q

Where are the four parathyroid glands located?

A

Embedded in the thyroid gland.

52
Q

What are the parathyroid glands innervated by?

A

cervical ganglia

53
Q

What is the function of the Thymus?

A

Maturation of t-cell lymphocytes.

54
Q

How long does the thymus grow?

A

Grows through puberty, then shrinks and becomes smaller.

55
Q

Where is the thymus found?

A

Deep to the sternum and inferior to the thyroid.

56
Q

What is the thymus innervated by?

A

Cranial nerve X and cervical nerves.