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BMS08 > Gross Facial & Oral Anatomy > Flashcards

Gross Facial & Oral Anatomy Flashcards

1
Q

What is included in the facial skeleton?

A

Orbits and below

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2
Q

Where is the cranium?

A

Above orbits

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3
Q

What parts of the face does the maxilla form?

A

Forms part of orbits and half of upper row of teeth (2 maxilla bones)

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4
Q

What does the frontal bone form?

A

Part of skull cap and roof of orbits

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5
Q

What does the mandible articulate with?

A

Temporal bone

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6
Q

What is the fancy name for cheek bone?

A

Zygomatic bone/zygoma

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7
Q

What muscles seal your mouth?

A

Orbicularis oris

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8
Q

What muscles close your eyes?

A

Orbicularis oculi

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9
Q

What muscle allows you to screw up your forehead?

A

Frontalis

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10
Q

What muscles allow movement of the jaw?

A

Masticatory muscles

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11
Q

What masticatory muscle is on the side of the jaw?

A

Masseter

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12
Q

What masticatory muscles are on the mandible?

A

Lateral and medial pterygoids

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13
Q

What are the three parts of the trigeminal nerve and what do they supply?

A

Ophthalmic - orbit, forehead

Maxillary - upper teeth, palate

Mandibular - lower teeth, chin, anterior two-thirds of tongue

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14
Q

Which cranial nerve is the facial nerve?

A

VII

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15
Q

Where does the facial nerve come out of the skull?

A

Stylomastoid foramen (temporal bone)

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16
Q

How many branches does the facial nerve have?

A

5

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17
Q

What does the facial nerve supply?

A

Muscles of the face

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18
Q

What do the parasympathetic fibres of the facial nerve do?

A

Stimulate gland secretion

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19
Q

What branch of the facial nerve forms the taste fibres and where are the taste fibres located?

A

Chorda tympani

Anterior two-thirds of tongue

20
Q

What is the arterial blood supply to the face?

A

External carotid

Lingual —> tongue
Facial —> face, curves under jaw
Maxillary —> very branched and terminates at maxilla

21
Q

Why does the face heal quickly?

A

Lots of anastomoses so rich blood supply

22
Q

What vein drains the venous system of the face?

A

Internal jugular

23
Q

Where is the hard and soft palate?

A

Anterior and superior region of mouth = hard

Towards posterior = soft

24
Q

What fills the mouth when closed?

A

Tongue

25
Q

Where is the buccinator muscle?

A

Cheek

26
Q

What is the major tongue muscle?

A

Genioglossus

27
Q

What separates the posterior third of the tongue from the rest of it?

A

Vallate papillae

28
Q

What nerves innervate the tongue?

A

Glossopharyngeal nerve (posterior third, general sensation)

Vagus nerve (posterior third, taste)

Hypoglossal nerve (muscles of tongue)

Facial nerve (taste fibres)

Mandibular nerve (anterior two-thirds)

29
Q

What does the inferior alveolar nerve innervate?

A

Lower teeth

30
Q

What innervates the upper teeth?

A

Maxillary nerve (trigeminal)

31
Q

What are the three main salivary glands?

A

Parotid

Submandibular

Sublingual

32
Q

Where does the parotid gland saliva enter the mouth?

A

Buccal side by upper second molar

33
Q

Where does the submandibular gland saliva enter the mouth?

A

Behind lower incisors

34
Q

Where does the sublingual gland saliva enter the mouth?

A

Under the tongue

Multiple ducts to prevent clogging

35
Q

What kind of saliva is produced by the parotid gland?

A

Watery

36
Q

What kind of saliva is produced by the submandibular gland?

A

Watery or thick/sticky

37
Q

What kind of saliva is produced by the sublingual gland?

A

Stickier (mucous gland)

38
Q

What tissues is the nose made up of?

A

Mainly cartilage and some connective tissue

39
Q

What divides the nose?

A

Nasal septum

40
Q

What bone is in the upper region of the nose?

A

Ethmoid bone

41
Q

What causes turbulation of air in the nose?

A

Inferior concha

42
Q

Why is it good to turbulate the air in the nose?

A

Dust sticks to mucous membrane

Warms air due to rich blood supply

43
Q

Which sinus is next to the pituitary gland?

A

Sphenoidal sinus

44
Q

What is the oral vestibule?

A

Cleft between lips/cheeks and teeth/gums

45
Q

What regions of the oral cavity do the teeth and gums separate?

A

Oral vestibule

Oral cavity proper

BMS08 (7 decks)

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