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Digestive System In The Head And Neck > Digestive System > Flashcards

Digestive System Flashcards

1
Q

Major components of the digestive system

A

Esophagus, oral cavity, pharynx

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2
Q

Components of oral cavity

A

Lips, teeth, tongue, palate, salivary glands

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3
Q

Are two fleshy folds that surrounds the oral orifice

A

Lips

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4
Q

Shallow vertical groove seen in the midline on the superficial surface of the upper lip

A

Philtrum

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5
Q

Median fold of mucous membrane that connects the inner surface of the lips to the gums

A

Labial frenulae

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6
Q

Two components of oral cavity

A

Vestibule and oral cavity proper

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7
Q

Extends from the lips to the pharynx

A

Oral cavity

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8
Q

Slitlike space that lies between the lips and the cheeks externally and the gums and the teeth internally

A

Vestibule

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9
Q

Lateral wall of vestibule is made up by the

A

Buccinator muscle (and is lined with mucous membrane)

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10
Q

What fibers are tethered to the buccinator muscles in the submucosa that prevents redundant folds from being bitten between the teeth when the jaws are closed

A

Elastic

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11
Q

Opening of the duct of the parotid salivary gland is located where?

A

Upper second molar tooth

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12
Q

___ has a roof and a floor

A

Oral cavity proper

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13
Q

The palate that forms the roof of the oral cavity proper

A

Hard palate (infront) soft palate (behind)

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14
Q

Floor of the oral cavity proper

A

The anterior two thirds of the tongue and the reflection of the mucous membrane

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15
Q

Connects the undersurface of the tongue to the floor of the mouth

A

Frenulum of the tongue

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16
Q

Lateral to the frenulum, the mucous membrane forms a fringed fold called?

A

Plica fimbriata

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17
Q

The sudmandibular gland opens to the?

A

Floor of the mouth on the summit of the papilla

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18
Q

The sublingual gland projects up into the mouth, producing a low fold of mucous membrane

A

Sublingual fold

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19
Q

Oral cavity sensory innervation

A

Roof: greater palatine and nasopalatine nerves (maxillary div. of CN V)
Floor: lingual nerve (general sensation)
Cheek: buccal nerve ( mandi div of trigeminal)

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20
Q

Placed in the alveolar margins of maxillae and mandible

A

Teeth

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21
Q

Tooth occupies its own socket and is anchored in place by?

A

Periodontal ligaments

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22
Q

Fixation of tooth constitutes a type of

A

Fibrous joint

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23
Q

The two successive overlapping generation of teeth

A

Primary and permanent dentition

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24
Q

How many teeth are there in the deciduous teeth

A

20
4 incisors
2canines
4molars
In each jaw

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25
Q

Eruption of deciduous teeth begins about

A

6 months after birth and have all erupted by the end of 2years

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26
Q

T or F: teeth of lower jaw usually appear before those of the upper jaw

A

True

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27
Q

How many teeth are there in permanent dentition

A

32
4 incisors
2 canine
4 premolars
6 molars
In each jaw

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28
Q

Permanent dentition begins to erupt in _____ and last tooth which is the third molar, happen to erupt between ages of ___

A

6 years of age
17 and 30

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29
Q

Mass of striated muscles covered with mucous membrane

A

Tongue

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30
Q

Divides the tongue into right and left halves

A

Median fibrous septum

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31
Q

Three types of papillae on the upper surface of the ant two thirds of the tongue

A

Filiform papillae
Fungiform papillae
Vallate papillae

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32
Q

the _______, divides the mucous membrane of the upper surface of the tongue into anterior and posterior parts

A

Sulcus terminalis

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33
Q

The sulcus divides the tongue into the ___and the __

A

Anterior two thirds (oral part; body)
Posterior third (pharyngeal part; root)

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34
Q

The foramen cecum is an embryologic remnant and marks the site of the upper end of the

A

Thyroglossal duct

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35
Q

On the lateral side of the frenulum, the deep lingual vein can be seen through the mucous membrane. Lateral to the lingual vein, the mucous membrane forms a fringed fold called the

A

Plica fibriata

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36
Q

muscles are confined to the tongue and are not attached to bone.

A

Intrinsic

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37
Q

muscles originate outside the tongue; they attach to bones and the soft palate.

A

Extrinsic

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38
Q

the hypoglossal nerve (CN XII) supplies all the tongue muscles, except one, the ____

A

palatoglossus (supplied by vagus fibers in the pharyngeal plexus).

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39
Q

Intrinsic muscles of the tongue

A

Longitudinal, transverse, vertical

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40
Q

Extrinsic muscles of the tongue

A

Genioglossus, hyoglossus, styloglossus, palatoglossus

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41
Q

Oina of genioglossus

A

Superior genial spine of mandible
Blends with other muscles of the tongue
Hypoglossal nerve
Protudes apex of the tongue through the mouth

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42
Q

Oina of hyoglossus

A

Body and greater cornu of hyoid bode
Blends with other muscles of the tongue
Hypoglossal nerve
Depresses the tongue

43
Q

Oina of styloglossus

A

Styloid process of the temporal bone
Blends with other muscles of the tongue
Hypoglossal nerve
Draws the tongue upward and backward

44
Q

Oina of Palatoglossus

A

Palatine poneurosis
Side of the tongue
Vagus nerve (pharyngel plexus)
Pulls roots of the tongue upward and backward, narrows oropharyngeal isthmus

45
Q

Protudes the tongue

A

Genioglossus

46
Q

Retraction And elevation of posterior third of the tongue

A

Styloglossus and palatoglossus

47
Q

Depress the tongue

A

Hyoglossus

48
Q

Retraction of tongue

A

Styloglossus and hyoglossus

49
Q

Shape change of tongue?

A

Intrinsic muscle

50
Q

Blood supply of tongue and venous drainage

A

F A I L

Lingual artery
Tonsillar branch of the facial artery
Ascending pharyngeal artery

Internal jugular vein

51
Q

Lymph drainage of tongue

A

Tip: submental lymph node
Sides of the ant two thirds: submandibular and deep cervical lymph nodes
Posterior third: deep cervical lymph node

52
Q

Sensory innervation of tongue

A

Ant 2/3: lingual nerve (general sensation)
and
Chorda tympani branch of facial nerve (taste)

53
Q

__ forms the roof of the oral cavity and the floor of the nasal cavity

A

Palate

54
Q

Its free posterior border of the soft palate in presents a conical projection in the midline called?

A

Uvula

55
Q

The soft palate is continuous at the sides with the?

A

Lateral wall of the pharynx

56
Q

Covers the upper and lower surfaces of the soft palate

A

Mucous membrane

57
Q

__ is a fibrous sheet attached to the posterior border of the hard palate. It is the expanded tendon of the tensor veli palatini muscle

A

Palatine aponeurosis

58
Q

What are the soft palate muscles TLPPM

A

Tensor vili palatini
Levator veli palatini
Palatoglossus
Palatopharyngeous
Musculus uvulae

59
Q

Oina of tensor veli palatini

A

Spine of sphenoid auditory tube
With muscle of other sides, forms palatine aponeurosis
Nerve to medial pterygoid from mandibular nerve
Tenses soft palate

60
Q

Oina of levator veli palatini

A

Petrous part of temporal bone and auditory tube
Palatine aponeurosis
Pharyngel plexus (vagus nerve)
Raises soft palate

61
Q

Oina of palatoglossus

A

Palatine aponeurosis
Side of the tongue
Pharyngel plexus (vagus)
Pulls root of the tongue upward and backward, narrows oropharyngeal isthmus

62
Q

Oina of musculus uvulae

A

Posterior border of the hard palate
Muscous membrane of the uvula
Pharyngeal plexus (vagus)
Elevates uvula

63
Q

The tendon, together with the tendon of the opposite side, expands to form the

A

Palatine aponeurosis

64
Q

The tensor and levator palatini muscles also act on the mucous membrane of the auditory tube and so affect function in the?

A

Middle ear

65
Q

The palatoglossal arch is a fold of mucous membrane containing the _____ which extends from the soft palate to the side of the tongue

A

Palatoglossus muscle

66
Q

The palatoglossal arch marks where the oral cavity becomes the ___

A

Pharynx

67
Q

The ______ is a fold of mucous membrane behind the palatoglossal arch that runs downward and laterally to join the pharyngeal wall.

A

Palatopharyngeal arch

68
Q

The _____, which are masses of lymphoid tissue, are located in the tonsillar fossa between the palatoglossal and palatopharyngeal arches

A

Palatine tonsils

69
Q

Raising the soft palate closes the

A

Pharyngeal isthmus

70
Q

Closure of pharyngeal isthmus occurs during the production of explosive consonants in__ and __

A

Speech
And
During swallowing

71
Q

Sensory innervation of the palate

A

Greater and lesser palatine nerves from the maxillaryv div of trigeminal

72
Q

The __ also a branch of the maxillary nerve, enters the front of the hard palate through the incisive foramen.

A

Nasopalatine nerve

73
Q

__ also supplies the soft palate

A

Glossopharyngeal

74
Q

Arterial Branch supple of palate

A

Greater palatine brach of max A
Ascending palatine branch of facial A
Ascending pharyngeal A

75
Q

Palatal lymph drainage

A

Deep cervical lymph node

76
Q

Three major pairs of salivary glands

A

Parotid gland
Sumbandibular gland
Submental gland
(Labial, buccal, palatal glands are minor salivary glands )

77
Q

Largest salivary gland and mostly composed of serous acini

A

Parotid gland

78
Q

The facial nerve divides the parotid gland into?

A

Superficial and deep lobes

79
Q

emerges from the anterior border of the gland and passes forward over the lateral surface of the masseter.

A

Parotid duct

80
Q

It pierces the buccinator muscle and enters the vestibule of the mouth upon a small papilla opposite the upper second molar tooth

A

Parotid duct

81
Q

Nerve supply of the parotid duct

A

Glossopharyngeal nerve (carries preganglionic parasympathetic secremotor fibers)

These pass into the tympanic nerve and synapse in the otic ganglion

Postganglionic fibers attach to the auriculotemporal nerve and follow that to the gland

82
Q

gland consists of a mixture of serous and mucous acini

A

Submandibular gland

83
Q

The submandibular gland lies beneath the lower border of the body of the mandible and is divided into superficial and deep parts by the

A

Mylohoid muscle

84
Q

The submandibular duct opens into the mouth on a small papilla, which is situated at the side of the?

A

Frenulum of the tongue

85
Q

Nerve supply pf submandibular gland

A

Facial nerve - provides parasympathetic secremotor supply via chorda tympani branch and the submandibular ganglion. The postganglionic fibers pass directly to the gland

86
Q

lies beneath the mucous membrane of the floor of the mouth, close to the frenulum of the tongue. It has both serous and mucous acini, with the latter predominating.

A

Sublingual gland

87
Q

Number of sublingual ducts that open into the mouth on the summit of the sublingual fold

A

8 to 20 in number

88
Q

Nerve supply of sublingual gland

A

facial nerve provides the parasympathetic secretomotor supply via its chorda tympani branch and the submandibular ganglion. The postganglionic finers pass directly to the gland

89
Q

The salpingopharyngeal fold is a vertical fold of mucous membrane covering the

A

Salpingopharyngeus muscle

90
Q

Depression on each side of the median glossoepiglottic fold is the?

A

Vallecula

91
Q

This lies behind the oral cavity. The floor is the posterior one third of the tongue and the interval between the tongue and epiglottis

A

Oropharynx (oral pharynx)

92
Q

This lies behind the opening into the larynx. The thyroid cartilage and the thyrohyoid membrane form the lateral wall.

A

Laryngopharynx (laryngeal pharynx)

93
Q

is a depression in the mucous membrane on each side of the laryngeal inlet

A

Piriform fossa

94
Q

Medial and lateral boundary of laryngopharynx

A

Aryepiglottic fold
Thyroid cartilage

95
Q

Pharyngeal Mucous Membrane Sensory Nerve Supply
Nasopharynx ?
Oropharynx ?
Laryngopharynx ?

A

Maxillary nerve
Glossopharyngeal nerve
Internal laryngeal branch of vagus nerve

96
Q

Pharyngeal blood supply

A

Ascending pharyngeal
Tonsillar branch of facial A
And
Branches of maxillary and lingual A

97
Q

Fibers of superior, middle and inferior constrictor runs in what direction?

A

Circular

98
Q

Fibers of Stylopharyngeus and salpingopharyngeus runs in what direction

A

Longitudinal

99
Q

The lower part of the inferior constrictor, which arises from the cricoid cartilage

A

Cricopharyngeus muscle

100
Q

The fibers of the cricopharyngeus pass ___ around the lowest and narrowest part of the pharynx and act as a ___

A

Horizontally
Sphincter

101
Q

The apex of the sulcus projects backward and is marked by a small pit, the?

A

Foramen cecum

102
Q

Mucous membrane covering the posterior third of the tongue is devoid of papillae but has an irregular surface, caused by the presence of underlying lymph nodes, the ?

A

Lingual tonsil

103
Q

The gingiva, or gum, is strongly attached to the?

A

Alveolar periosteum

Digestive System In The Head And Neck (3 decks)

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