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Anatomy > Anatomy of the mouth > Flashcards

Anatomy of the mouth Flashcards

1
Q

What is the roof of the oral cavity?

A

Hard and soft palate

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2
Q

What is the floor of the oral cavity?

A

The mylohyoid muscle

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3
Q

What are the lateral walls of the oral cavity?

A

The cheeks

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4
Q

What is the anterior opening of the oral cavity?

A

Oral fissure

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5
Q

What is the posterior opening of the oral cavity?

A

The oropharyngeal isthmus

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6
Q

2 sections of the oral cavity

A

Oral vestibule and oral cavity proper

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7
Q

Innervation of upper teeth and palate

A

Maxillary nerve

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8
Q

Innervation of the lower teeth and oral part of tongue

A

Mandibular nerve

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9
Q

Innervation of oral part and anterior 2/3 of tongue

A

Facial nerve

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10
Q

Innervation of parasympathetic fibres from the glands within the oral cavity

A

Facial nerve which joins to the trigeminal nerve

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11
Q

Innervation of sympathetic fibres in the oral cavity

A

Trigeminal nerve

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12
Q

Innervation of the muscles of the tongue

A

Hypoglossal nerve EXCEPT palatoglossus which is innervated by the vagus nerve

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13
Q

Innervation of the muscles of the soft palate

A

Vagus nerve EXCEPT the tensor veli palatini which is innervated by the mandibular nerve

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14
Q

Innervation of the mylohyoid muscle

A

Mandibular nerve

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15
Q

The paired bones of the mouth

A

Maxillae, palatine and temporal

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16
Q

The unpaired bones of the mouth

A

Mandible, sphenoid, hyoid

17
Q

The joint that elevates or depresses the mandible

A

Temporomandibular joint

18
Q

The two sections of the body of the mandible

A

The alveolar process and the base

19
Q

The lingula of the mandible

A

The inner surface

20
Q

The skeletal muscle in the cheeks that is involved in facial expression

A

Buccinator muscle

21
Q

The origin of the buccinator muscle

A

Pterygomandibular raphe

22
Q

Three components of the floor of the oral cavity

A

Mylohyoid muscles, the geniohyloid muscle and the tongue

23
Q

Where the geniohyloid muscles run to and from

A

From the posterior surface of the mandible to the anterior surface (body) of the hyoid bone

24
Q

The three salivary glands

A

Parotid, submandibular and sublingual

25
Q

Location of the parotid muscle

A

Outside of the boundaries of oral cavity
Sternocheidomastoid muscle behind
Ramus of mandible in front
Extends over masseter muscle

26
Q

Length of parotid gland and region of penetration

A

5cm

Buccinator muscle next to crown of upper second molar

27
Q

Location of the submandibular gland

A

Longer arm out of boundaries of oral cavity

Smaller arm loops around posterior margin of the mylohyoid muscle, lies in the floor of the oral cavity

28
Q

Relative sizes of the salivary glands

A

Parotid>Submandibular>sublingual

29
Q

Opening of the submandibular gland

A

The summit of a small sublingual caruncle

30
Q

Location of the sublingual gland

A

Lateral to the submandibular gland

Lies against medial surface of mandible - sublingual fossa

31
Q

Opening of the sublingual gland

A

Drains via numerous small ducts that open into the sublingual fold

32
Q

Arteries supplying salivary glands

A

Parotid - external carotid artery

Subman + subling - branches of facial and lingual arteries.

33
Q

Parasympathetic innvervation of salivary glands

A

Branches of the facial nerve - joined to branches of the maxillary and mandibular nerves to reach their final destination

34
Q

The four types of teeth in adults and number of each per quadrant

A

Incisors - 2
Canines - 1
Premolar - 2
Molar - 3

35
Q

Name for baby teeth and name for adult teeth

A

Deciduous teeth

Permanent teeth

36
Q

Veins supplying the teeth

A

Lower teeth - inferior alveolar veins

Anatomy (1 decks)

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