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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
Where is Whartons duct found?
In the sublingual carnuncle.
25
What gland is associated with glieking?
Submandibular gland?
26
Why does glieking occur?
Muscles compress Wharton's duct and expels salvia.
27
What is the smallest gland that produces salvia?
Sublingual gland
28
What percentage of saliva is produced by the sublingual glands?
5-10%
29
What type of secretions do sublingual glands produce?
mucous(thick)
30
Where is the sublingual gland located?
The sublingual space
31
What type of gland is the sublingual gland?
An exocrine gland
32
What duct is used by the sublingual glands?
Bartholins duct
33
Where does Bartholins duct transport secretions to?
The Oral Cavity
34
True or false, salivary function is controlled by the autonomic nervous system.
True
35
What is Parasympathetic Innervation responsible for doing in the control of salivary function?
Increases saliva flow
36
What is Sympathetic innervation responsible for doing in controlling salivary function?
Reducing
37
Why does sympathetic innervation decrease salivary function?
It constricts blood flow taking away the raw materials (like water) needed to produce saliva.
38
True or False otic ganglion (of the Parotid gland) and the submandibular ganglion are part of sympathetic innervation?
False, they are part of the parasympathetic innervation
39
What is the otic ganglion innervated by?
IX
40
Where are the minor salivary glands found?
``` Soft palate Hard palate (lateral) Floor of the Mouth Buccal and Lingual Mucosa Circumvallate papillae ```
41
What are the minor salivary glands innervated by?
VII
42
What are VonEbners glands?
Glands that secrete serous saliva and are associated with the minor salivary glands via the circumvallate papillae.
43
Where is circumvallate papillae found?
Posterior part of the dorsal side of the tongue.
44
What are the three endocrine glands?
Thyroid gland Parathyroid gland Thymus
45
What is the largest endocrine gland associated with the head and neck areas?
Thyroid gland
46
Where is the thyroid gland located?
Inferior thyroid cartilage in the midline of the neck.
47
What is the Thyroid Gland innervated by?
Cervical ganglia
48
What does the thyroid gland stimulate?
Metabolic rate
49
What happens when the thyroid gland is not functioning properly?
People may experience a drop in energy and become lethargic.
50
What is the function of the parathyroid gland?
To regulate calcium and phosphate levels in the body.
51
Where are the four parathyroid glands located?
Embedded in the thyroid gland.
52
What are the parathyroid glands innervated by?
cervical ganglia
53
What is the function of the Thymus?
Maturation of t-cell lymphocytes.
54
How long does the thymus grow?
Grows through puberty, then shrinks and becomes smaller.
55
Where is the thymus found?
Deep to the sternum and inferior to the thyroid.
56
What is the thymus innervated by?
Cranial nerve X and cervical nerves.

Head & Neck Anatomy (6 decks)

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