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Human Histology > Digestive System > Flashcards

Digestive System Flashcards

1
Q

Regions of the Digestive System

A
  • Oral Cavity (lips, palate, tongue, teeth)
  • Alimentary or GI Tract (esophagus, stomach, small intestine, large intestine)
  • Accessory Glands (salivary glands, pancreas, liver, gallbladder)
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2
Q

Parts of the Oral Cavity

A
  • Lips
  • Teeth
  • Tongue
  • Palate
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3
Q

The oral cavity is lined by ____.

A

Oral Mucosa

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4
Q

Tissue Composition of Oral Mucosa

A

Keratinized or Partially Keratinized Stratified Squamous Epithelium

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5
Q

The thick submucosal layer is associated with ____ which releases enzymes.

A

Salivary glands

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6
Q

Enzymes produced by salivary glands

A
  • Amylase
  • Lactoferrin
  • Lysozyme
  • IgA
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7
Q

The oral cavity is bounded anteriorly by the ____.

A

Lips

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8
Q

The oral cavity is bounded posteriorly by the ____.

A

Palatoglossal folds

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9
Q

The lips is composed of ____ responsible for its motility.

A

Skeletal Muscle (Orbicularis oris)

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10
Q

Which specific muscle is found in the lips?

A

Orbicularis oris

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11
Q

____ guards the entrance to the oral cavity.

A

Lips

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12
Q

Regions of the Lips

A
  • External Aspect
  • Vermillion Zone
  • Mucus/Internal Aspect
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13
Q

____ is covered by thin skin with sweat glands, hair follicles and sebaceous glands.

A

External Aspect

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14
Q

____ is also known as the “pink region”

A

Vermillion Zone

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15
Q

____ contains highly developed roots in the dermal papilla.

A

Vermillion Zone

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16
Q

____ is covered by thin skin devoid of sweat glands and hair follicles, with non-functional sebaceous glands.

A

Vermillion Zone

17
Q

The ____ necessitates occasion moistening due to non-functional glands.

A

Vermillion Zone

18
Q

____ is always wet with numerous mucus and minor salivary glands.

A

Mucus/Internal Aspect

19
Q

How many sets of teeth do we have?

A

2

20
Q

2 sets of teeth

A
  • Primary/Milk/Deciduous/First
  • Permanent/Adult
21
Q

There are normally ____ permanent teeth.

A

32

22
Q

Each quadrant has ____ teeth.

A

8

23
Q

The ____ is the bony socket in the teeth.

A

Alveolus

24
Q

Tissue Composition of Periodontal Ligaments

A
  • Dense Collagenous Connective Tissue
  • Fibrous Tissue

Human Histology (12 decks)

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