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Gross Anatomy Exam 4 > LECTURE: Oral Cavity > Flashcards

LECTURE: Oral Cavity Flashcards

1
Q

between teeth/gums and lips/cheek

A

vestibule

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2
Q

within dental arches

A

oral cavity proper

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3
Q

posterior midline extension of soft palate

A

uvula

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4
Q

_________ are anterior and posterior boundaries of tonsilar bed

A

palatoglossal and palatopharyngeal arches/folds

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5
Q

lymphoid tissue in tonsilar bed

A

palatine tonsils

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6
Q

midline fold of mucosa under tongue

A

lingual frenulum

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7
Q

midline folds of mucosa between gingivae and lips

A

labial frenulae

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8
Q

formed by sublingual salivary gland on either side

A

sublingual fold

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9
Q

What has an opening to the submandibular duct?

A

Sublingual caruncle

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10
Q

Opening of parotid duct opposite 2nd maxillary molar

A

parotid papilla

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11
Q

What blood vessels supply blood to the lips?

A

Superior and inferior labial branches of facial

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12
Q

Terminal branch of inferior alveolar artery that supplies chin

A

mental artery

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13
Q

Branch of maxillary artery that supplies cheek

A

buccal artery

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14
Q

Describe all the features in the diagram

A
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15
Q

Describe the distribution of general sensation to each colored area

A
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16
Q

The hard palate has _____ for nerves and arteries.

A

greater and lesser palatine foramina

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17
Q

Sensation from the mucosa of the hard palate is handled by ____, whereas the innervation of the palatine (mucous) glands is via

A
  • sensation of hard palate: maxillary division of trigeminal nerve (V2)
  • innervation of the palatine (mucous) glands: facial nerve (CN VII)
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18
Q

An opening in the anterior hard palate, from which the nasopalatine nerve and septal artery emerge.

A

incisive foramen

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19
Q

A fibromuscular structure with a membranous aponeurosis and associated muscles.

A

soft palate

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20
Q

Action of levator veli palatini and tensor veli palatini (already discussed with nasopharynx)

A

elevate and tense the soft palate with swallowing, respectively

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21
Q

This muscle helps to approximate soft palate to oropharynx during swallowing & is innervated by vagus nerve (CN X).

A

palatoglossus muscle

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22
Q

This muscle runs from the hard and soft palate to the posterior aspect of thyroid cartilage and pharyngeal constrictor. It also helps to close the nasopharynx during swallowing and is innervated by vagus nerve (CN X).

A

palatopharyngeus muscle

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23
Q

The _______ is located between the palatoglossal and palatopharyngeal arches.

A

palatine tonsil

24
Q

This muscle elevates the uvula. It is innervated by vagus nerve (CN X).

A

musculus uvulue

25
Q

The superior pharyngeal constrictor and buccinator both insert into the _______________.

A

pterygomandibular raphe

26
Q

Describe the arterial supply to the teeth

A
27
Q

Describe the innervation of teeth

A
28
Q
A
29
Q

Most numerous, conical papillae. Handle general sensory information but no taste buds.

A

filiform papillae

30
Q

Mushroom-shaped papillae which appear as pink or red spots scattered among the filiform papillae. Contain taste buds.

A

fungiform papillae

31
Q

Fold-like (leaf-like) papillae along sides of tongue. Contain taste receptors.

A

foliate papillae

32
Q

Large papillae that form a “V-shaped” pattern at the back of the tongue. The walls of these are studded with taste buds. Ducts of serous glands open into trenches as well to prevent blockage.

A

vallate papillae

33
Q

Located between the body and root of the tongue, it is the site of descent of the thyroid tissue

A

terminal sulcus

34
Q

General sensation from anterior 2/3 of tongue is handled by

A

the mandibular division of the trigeminal nerve (V3), specifically through its lingual branch

35
Q

Taste from anterior 2/3 of tongue is handled by

A

facial nerve (VII), specifically through chorda tympani.

36
Q

Both taste and general sensation and taste from posterior 1/3 of tongue handled by

A

glossopharyngeal nerve (CN IX)

37
Q

General sensation and some taste information from area of posterior tongue near epiglottis carried by …

A

vagus nerve (CN X)

38
Q

What are the extrinsic muscles of the tongue? (4)

A
  1. genioglossus
  2. hyoglossus
  3. styloglossus
  4. palatoglossus
39
Q

Attachment/Action/Innervation of genioglossus

A
  • Attachments: from the mental spine of the mandible to the tongue and hyoid bone.
  • Action: it depresses and protrudes the tongue.
  • Innervation: hypoglossal nerve (cranial nerve XII).
40
Q

Attachment/Action/Innervation of hyoglossus

A
  • Attachments: from the lateral aspect of the hyoid bone to the side and inferior aspect of the tongue
  • Action: it depresses and retracts the tongue.
  • Innervation: hypoglossal nerve (cranial nerve XII).
41
Q

Attachment/Action/Innervation of styloglossus

A
  • Attachments: from the styloid process and styloid ligament to the side of the tongue posteriorly
  • Action: it elevates and retracts the tongue.
  • Innervation: hypoglossal nerve (cranial nerve XII).
42
Q

Attachment/Action/Innervation of palatoglossus

A
  • Attachments: from the palatine aponeurosis to the side of the tongue
  • Action: it approximates the back of the tongue with soft palate during swallowing.
  • Innervation: vagus nerve (cranial nerve X)
43
Q
A
44
Q

What are the intrinsic muscles of the tongue?

A
  • Superior longitudinal muscle fibers.
  • Inferior longitudinal muscle fibers.
  • Transverse and vertical muscle fibers (in same layer).
45
Q

Which muscles change the shape of the tongue with speech and food manipulation?

A

the intrinsic muscles of the tongue

46
Q

The intrinsic muscles of the tongue are innervated by which nerve?

A

CN XII

47
Q
A
48
Q

Which glands get their parasympathetic innervation from glossopharyngeal nerve (via lesser petrosal nerve) and arterial supply is from branches of external carotid and superficial temporal arteries?

A

parotid gland

49
Q

Which glands get their parasympathetic innervation from facial nerve (CN VII) via chorda tympani and arterial supply is from submental branch of facial artery?

A

submandibular glands

50
Q

Which glands get their parasympathetic innervation from facial nerve (via chorda tympani) and arterial supply is from lingual and facial arteries with venous drainage is via lingual vein?

A

sublingual glands

51
Q

What are the contents of the sublingual space?

A
  • Sublingual salivary gland.
  • Lingual nerve (and submandibular ganglion).
  • Submandibular duct.
  • Hypoglossal nerve (CN XII).
52
Q

Lymph from the upper lip and lateral parts of the lower lip drains to the _____________

A

submandibular nodes

53
Q

Lymph from the middle part of the lower lip drains the

A

submental nodes

54
Q

Lymph from the tongue drains to where?

A

the submental, submandibular and superior and inferior deep cervical lymph nodes, including the Jugulodigastric and jugulo-omohyoid nodes

55
Q

Extensive communications of lymphatic drainage occur across the ______ of the tongue.

A

midline

Gross Anatomy Exam 4 (13 decks)

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