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Anatomy 205 > Oral Cavity > Flashcards

Oral Cavity Flashcards

1
Q

Oral (mouth) cavity parts

A
  1. Vestibule
  2. Mouth cavity proper
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2
Q

Vestibule part

A

Parotid duct opens in it opposite 2nd molar tooth
Internally:
Between teeth and gum
Externally:
Cheeks and lips

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3
Q

Cheek consists of

A
  1. Skin
  2. Buccal pad of fat
  3. Buccopharyngeal fascia
  4. Buccinator muscle
  5. Buccal mucous glands
  6. Vestibule mucous membrane
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4
Q

Mouth cavity proper boundries

A
  1. In front and sides
  2. Behind
  3. Above (roof)
  4. Below (floor)
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5
Q

In front and sides

A
  1. Teeth
  2. Gums
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6
Q

Behind

A

Communicates with pharynx (via oropharyngeal isthmus)

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7
Q

Above

A
  1. Hard palate
  2. Soft palate
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8
Q

Below

A

Anterior 2/3 tongue with its lower surface showing:
1. Frenulum linguae
2. Sublingual papilla
3. Sublingual fold

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9
Q

Frenulum linguae

A

Mucous membrane fold connecting tongue and mouth floor with deep lingual vein and fimbriated ridge (plica fimbriata) lateral to it

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10
Q

Sublingual papilla

A

Elevation on each side of frenulum lower end receiving submandibular duct orifice

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11
Q

Sublingual fold

A

Elevated mucosal fold (produced by sublingual gland) lateral sublingual papilla receiving sublingual ducts orifices

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12
Q

Relations of mylohyoid muscle

A
  1. Superficial (lower)
  2. Deep (upper)
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13
Q

Superficial

A
  1. Skin
  2. Superficial fascia (contains Platysma
  3. Deep fascia
  4. Submandibular gland (superficial part)
  5. Anterior belly digastric
  6. Nerve to mylohyoid
  7. Facial artery and it’s submental branch
  8. Submental lymph nodes
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14
Q

Deep

A

4 muscles, 2 glands, 2 nerves, 1 ganglion, and 1 artery
1. Hyoglossus
2. Lateral to Hyoglossus
3. Anterior to Hyoglossus

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15
Q

Lateral to Hyoglossus

A
  1. Styloglossus
  2. Lingual nerve
  3. Submandibular ganglion
  4. Deep part submandibular gland and its duct
  5. Hypoglossal nerve and its vena comitants
  6. Suprahyoid artery
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16
Q

anterior to Hyoglossus

A
  1. Geniohyoid
  2. Genioglossus
  3. Sublingual gland
  4. 3rd part lingual artery and it’s sublingual branch
17
Q

Nerve supply of gum (gingiva)

A
  1. Upper gingiva
    - outer surface
    - inner surface
  2. Lower gingiva
    - outer surface
    - inner surface
18
Q

Upper gingiva: outer surface

A
  1. Anterior alveolar nerve
  2. Middle alveolar nerve
  3. Posterior superior alveolar nerve
19
Q

Upper gingiva: inner surface

A
  1. Greater palatine nerve
  2. Nasopalatine nerve
20
Q

Lower gingiva: outer surface

A
  1. Buccal nerve
  2. Mental branch of inferior alveolar nerve
21
Q

Lower gingiva: inner gingiva

A

Lingual nerve

Anatomy 205 (197 decks)

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