A&P - Chapter 38 (Part 2) Flashcards

(37 cards)

1
Q

What are the lateral wall muscles of the cheeks made from?

A

Buccinator muscle

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2
Q

What does the buccinator muscle contain?

A

Mucous-secreting glands

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3
Q

What are the anterior walls formed by?

A

The lips

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4
Q

Oral fissuer

A

Line of contact between closed lips

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5
Q

What is the function of the salivary glands?

A

Secretes saliva

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6
Q

How much saliva is secreted each day?

A

1 L

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7
Q

What are the 2 components of saliva?

A
  1. Salivary amylase

2. Mucus

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8
Q

What are the salivary glands made up of? (3)

A
  1. Parotid glands
    - largest
  2. Submandibular glands
    - below mandible
  3. Sublingual glands
    - below tongue
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9
Q

Where is the parotid gland located?

A

Bottom of the ear at the jaw angle

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10
Q

What are the parotid glands?

A

They are ducts that secrete into the mouth cavity

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11
Q

What do parotid glands do?

A

Produce watery saliva containing enzymes

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12
Q

Where is the submandibular glands?

A

In the middle of the mandible

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13
Q

What are the submandibular glands?

A

They are ducts that secrete on either side of lingual frenulum

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14
Q

What do the submandibular glands contain?

A

Enzyme and mucous producing substances

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15
Q

Where are the sublingual glands located?

A

Anterior to submandibular glands

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16
Q

What are the sublingual glands?

A

They are ducts that secrete into the floor of the mouth

17
Q

What is the function of the sublingual glands?

A

They produce a mucus type of saliva

18
Q

What are the 3 sections of a typical tooth?

A
  1. Crown
  2. Neck
  3. Root
19
Q

What is the crown of the tooth covered by?

20
Q

Enamel

A

Hardest tissue in the body, which is perfect for withstanding the abrasion of chewing food

21
Q

Where is the pulp cavity?

A

In the centre of the tooth

22
Q

What does the pulp cavity contain? (3)

A
  1. Connective tissue
  2. Blood and lymphatic vessels
  3. Sensory nerves
23
Q

What does the neck of the tooth do?

A

Joins the crown to the root

24
Q

What is the neck of the tooth surrounded by?

25
What is pink tissue also called?
Gingival tissue | - gums
26
Where does the root of the tooth fit?
In the socket/jaw bone
27
What is the socket that fits the tooth lined with?
Periodontal membrane
28
What does periodontal membrane do?
Anchors the tooth to the bone
29
Deciduous teeth
Baby teeth
30
How many deciduous teeth do we have?
20 teeth
31
What is the average of for the first eruption as a child?
6 months | - 8 incisors are cut first
32
When do you get your complete set of baby teeth?
2 years of age
33
What do baby teeth not have?
Premolars - 2 pairs of molars per jaw - lost between 6 – 13 years of age
34
What are permanent teeth known as?
Adult teeth
35
How many adult teeth do you have?
32
36
What is the average age of the first eruption as an adult?
6 years
37
When do you get a complete set of 32 teeth?
Age 17-24 years of age