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ORAL HISTOLOGY > ORAL CAVITY > Flashcards

ORAL CAVITY Flashcards

1
Q

Enumerate the parts of the oral cavity

A 
Lips
Palate
Pharynx 
Floor of the mouth
Cheek
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2
Q

Found on the ANTERIOR part of the oral cavity

A

Lips

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3
Q

Found on the SUPERIOR part of the oral cavity

A

Palate

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4
Q

POSTERIOR portion of the oral cavity

A

Pharynx

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5
Q

INFERIOR portion of the oral cavity

A

Floor of the mouth

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6
Q

LATERAL portion of the oral cavity

A

Cheek

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7
Q

Enumerate the blood supply of the mouth

A 
Facial artery
Inferior alveolar artery 
Maxillary artery
Infraorbital artery
Postero superior alveolar arteries
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8
Q

Enumerate the LYMPHATIC SUPPLY of the mouth

A

Deep cervical nodes
Submental nodes
Submandibular nodes

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9
Q

Extends from the LIPS to the OROPHARYNGEAL ISTHMUS

A

Oral cavity (mouth)

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10
Q

Junction of the mouth and pharynx

A

Oropharyngeal isthmus

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11
Q

Bounded by the soft palate, palatoglossal folds, and the dorsum of the tongue

A

Oropharyngeal isthmus

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12
Q

The oropharyngeal isthmus is bounded ABOVE by the?

A

Soft palate

Palatoglossal folds

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13
Q

The oropharyngeal isthmus is bounded BELOW by the?

A

Dorsum of the tongue

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14
Q

Subdivisions of the oral cavity

A

Oral Vestibule

Oral cavity proper

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15
Q

SLIT LIKE space between the cheeks and the gums

A

Vestibule

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16
Q

This communicates with the exterior through the oral fissure

A

Vestibule

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17
Q

Superiorly and inferiorly, the vestibule is LIMITED by what?

A

By the REFLECTION of the mucus membrane from the lips and cheeks onto the gums

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18
Q

Where does the jaw communicates when it is closed?

A

With the ORAL CAVITY PROPER behind the 3rd MOLAR tooth on each side

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19
Q

The vestibule is bounded ANTERIORLY by the?

A

Lips

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20
Q

The vestibule is bounded LATERALLY by the?

A

Cheeks

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21
Q

The vestibule is bounded SUPERIORLY by the?

A

Mucolabial

Mucobuccal folds

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22
Q

The vestibule is bounded POSTERIORLY and MEDIALLY by the?

A

Teeth and gums

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23
Q

Marks the opening of the duct of the parotid gland

A

Small papilla on the mucosa opposite the upper 2nd molar

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24
Q

Duct of the parotid gland that connects it to the mouth

A

Stensen’s papilla on the Buccal vestibule

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25
Q

Cavity within the ALVEOLAR MARGINS of the maxilla and mandible

A

Oral cavity proper

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26
Q

The ROOF of the oral cavity is formed ANTERIORLY by?

A

Hard palate

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27
Q

The ROOF of the oral cavity is formed POSTERIORLY by?

A

Soft palate

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28
Q

The FLOOR of the oral cavity is formed by?

A

Mylohyoid muscle

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29
Q

Where does the anterior 2/3 of the tongue lie

A

Floor

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30
Q

It is covered with MUCUS MEMBRANE

A

Floor of the mouth

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31
Q

A mucosal fold, found in the midline that connects the TONGUE to the FLOOR of the mouth

A

Frenulum

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32
Q

What is found on eacg side of the frenulum

A

A small papilla that has the opening duct of the SUBMANDIBULAR GLAND

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33
Q

Submandibular gland

A

Wharton’s duct

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34
Q

This is produced by the Sublingual gland

A

Round ridge extending backward and laterally from the papilla

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35
Q

SUBLINGUAL GLAND

A

Bartholins

Rivinus

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36
Q

Composed of SKELETAL MUSCLES and moves VOLUNTARILY

A

Tongue

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37
Q

Mass of STRIATED MUSCLES covered with mucus membrane

A

Tongue

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38
Q

Divides the tongue into right and left halves

A

Median septum

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39
Q

Three parts of the tongue

A

Oral
Pharyngeal
Root

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40
Q

This comprises the ANTERIOR 2/3 the tongue

A

Oral

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41
Q

This comprises the POSTERIOR 1/3 the tongue

A

Pharyngeal

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42
Q

This comprises the ROOT the tongue

A

Base

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43
Q

Two tongue surfaces

A

Dorsal

Ventral

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44
Q

Divided into ANTERIOR 2/3 and POSTERIOR 1/3 by the sulcus terminalis

A

Dorsal surface

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45
Q

V shaped sulcus that divides the tongue into ANTERIOR 2/3 and POSTERIOR 1/3

A

Sulcus terminalis

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46
Q

This faces backwards and is marked by a the foramen cecum

A

Apex of the sulcus terminalis

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47
Q

A pit that marks the apex of the sulcus

A

Foramen cecum

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48
Q

An embryological REMNANT, marks a te SITE of the upper end of the THYROGLOSSAL DUCT

A

Foramen cecum

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49
Q

This portion of the tongue contains a ROUGH MUCOSA and shows 3 types of papilla

A

Anterior 2/3

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50
Q

3 types of papilla visible on the anterior 2/3 of the tongue

A

Filliform
Fungiform
Vallate

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51
Q

This portion of the tongue has NO PAPILLAE but shows NODULAR SURFACE because of underlying lymphatic nodules

A

Posterior 1/3

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52
Q

Underlying lymphatic nodules on the posterior 1/3 of the tongue

A

Lingual tonsils

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53
Q

Surface of the tooth that is SMOOTH and has NO PAPILLAE

A

Ventral surface

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54
Q

This is where you ye frenulum is found

A

Ventral surface, midline anteriorly

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55
Q

This is found LATERAL to the frenulum and can be seen through the mucosa

A

deep lingual vein

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56
Q

A fold of mucosa Found LATERAL to the LINGUAL VEIN

A

Plica fimbriata

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57
Q

Two types of tongue muscles

A

Extrinsic

Intrinsic

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58
Q

Muscles confined to the tongue (inside only)

A

Intrinsic muscle

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59
Q

Has no bony attachment

A

Intrinsic

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60
Q

The intrinsic muscles of the tongue is consists of

A

Longitudinal fibers
Transverse fibers
Vertical fibers

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61
Q

Fiber of the intrinsic muscle of the tongue that is for SHORTENING

A

Longitudinal

62
Q

Fiber of the intrinsic muscle of the tongue that is for SHRINKING

A

Transverse fibers

63
Q

Fiber of the intrinsic muscle of the tongue that is for FLATTENING

A

Vertical fibers

64
Q

Function of the INTRINSIC MUSCLE

A

Alter the SHAPE of the tongue

65
Q

Connects the tongue to the SURROUNDING STRUCTURES

A

Extrinsic muscle

66
Q

Where are extrinsic muscles connected

A

Soft palate

Bones (mandible, hyoid, styloid?

67
Q

The entrinsc muscles of the tongue includes

A

Palatoglossus
Geniglossus
Hyoglossus
Styloglossus

68
Q

Extrinsic muscle that connects the PALATE to the TONGUE

A

Palatoglossus

69
Q

Extrinsic muscle that connects the GENIAL TUBERCLE to the TONGUE

A

Genioglossus

70
Q

Extrinsic muscle that connects the HYOID BONE to the TONGUE

A

Hyoglossus

71
Q

Extrinsic muscle that connects the STYLOID PROCESS to the TONGUE

A

Styloglossus

72
Q

Function of EXTRINSIC MUSCLES of the tongue

A

Help in movement of the tongue

73
Q

Genioglossus on BOTH sides acting TOGETHER

A

Protrusion

74
Q

Styloglossus and Hyoglossus on BOTH sides acting TOGETHER

A

Retraction

75
Q

Hyoglossus and Genioglossus on BOTH sides acting TOGETHER

A

Depression

76
Q

Styloglossus and Palatoglossus on BOTH sides acting TOGETHER

77
Q

Sensory nerve supply of tye anterior 2/3 of the tongue, general sensations

A

Lingual nerve

78
Q

Sensory nerve supply of tye anterior 2/3 of the tongue, special sensations

A

Chorda tympani

79
Q

Sensory nerve supply of tye POSTERIOR 1/3 of the tongue, general and special sensations

A

Glosopharyngeal nerve

80
Q

Sensory nerve supply of tye BASE of the tongue, general and special sensations

A

Internal laryngeal nerve

81
Q

General sensory

A

Lingual nerve

82
Q

Lingual nerve

83
Q

Special sensory

A

Chorda tympani

84
Q

Chorda tympani

85
Q

Internal laryngeal nerve

86
Q

General and special sense

A

Glosopharyngeal

87
Q

Glosopharyngeal

88
Q

Motor nerve supply of the INTRINSIC MUSCLE

A

Hypoglossal nerve

89
Q

Motor nerve supply of the EXTRINSIC MUSCLE

A

All supplied by HYPOGLOSSAL EXCEPT PALATOGLOSSUS

90
Q

Only extrinsic muscle that is NOT supplied by the hypoglossal nerve but the PHARYNGEAL PLEXUS

A

Palatoglossus

91
Q

Arterial blood supply

A

Lingual artery
Tonsillar brance of facial artery
Ascending pharyngeal artery

92
Q

Venous (veins) blood supply

A

Lingual vein

93
Q

This ultimately drains to the internal jugular vein

A

Lingual vein

94
Q

Lympahatic drainage in the TIP of the tongue

A

SUBMENTAL nodes, bilaterally and then DEEP CERVICAL nodes

95
Q

Anterior 2/3 lymphatic drainage

A

SUBMANDIBULAR unilaterally and then deep cervical nodes

96
Q

Posterior 1/3 lymphatic drainage

A

Deep cervical nodes (jugulodigastric)

97
Q

Most important ARTICULATOR for speech production

98
Q

Provide mechanism for taste

99
Q

Located on different areas of the tongue but generally found around the edges

A

Taste buds

100
Q

4 main taste

A

Bitter
Sour
Salty
Sweet

101
Q

The tongue is needed for?

A 
Sucking
Chewing
Swallowing 
Eating
Drinking
Kissing
Sweeping the mouth
Making funny faces
102
Q

Clinical notes of the tongue

A

Lacerations of the tongue
Tongue tie
Lesion of the HG nerve

103
Q

Due to large frenulum

A

Ankyloglossia

104
Q

Treatment for tongue tie or ankyloglossia

A

Frenectomy

105
Q

This condition causes the tongue to be atrophied and wrinkled

A

Lesion on HG nerve

106
Q

Median conical projection marked by median raphe

107
Q

Free margins of the SOFT PALATE amd splitting into 2 parts as they approach the lateral wall

A

Palatin arches

108
Q

Also known as anterior pillar of fauces or anterior palatine arch

A

Palatoglossal arch

109
Q

Ecloses the palatoglossus muscle

A

Palatoglossal arch

110
Q

Also known as posterior pillar of fauces or posterior palatine arch

A

Palatopharyngeal arch

111
Q

Enclose the palatopharyngeus muscle

A

Palatopharyngeal arch

112
Q

Lies on the ROOF of the oral cavity

113
Q

Two parts of the palate

114
Q

Bony palate anteriorly

115
Q

Muscular palate posteriorly

A

Soft palate

116
Q

Lies on the ROOF of the oral cavity and forms the FLOOR of the nasal cavity

A

Hard palate

117
Q

The hard palate is formed by?

A

Palatine process of maxillae in front

Horizontal plates of palatin behind

118
Q

This is bounded by ALVEOLAR ARCHES

A

Hard palate

119
Q

Posteriorly continues with the soft palate

A

Hard palate

120
Q

The under surface of the hard palate is covered by what?

A

Mucoperiosteum

121
Q

Contains TRANSVERSE RIDGES in the anterior part specifically the PALATINE RUGAE

A

Hard palate

122
Q

Attached to the posterior border of the hard palate

A

Soft palate

123
Q

The upper and lower surface of the Soft palate is covered by?

A

Mucus membrane

124
Q

Composition of Soft palate

A 
Muscle fibers 
Aponeurosis
Lymphoid tissue
Glands
Blood vessels
Nerves
125
Q

Tenses the soft palate

A

Tensor veli palatini

126
Q

Origin of the tensor veli palatini

A

Spine of sphenoid

Auditory tube

127
Q

Insertion of tensor veli palatini

A

Forms palatine aponeurosis

128
Q

Elevates or raises the soft palate

A

Levator veli palatini

129
Q

Origin of levator veli palatini

A

Petrous temporal bone
Auditory tube
Palatine aponeurosis

130
Q

Insertion of levator veli palatini

A

Palatine aponeurosis

131
Q

Origin of tye musculus uvulae

A

Posterior border of the hard palate

132
Q

Insertion of musculus uvulae

A

Mucosa of uvula

133
Q

Elevates the uvula

A

Musculus uvulae

134
Q

Pulls the root of the tongue UPWARD, narrowing the Oropharyngeal isthmus

A

Palatoglossus

135
Q

Origin of palatoglossus

A

Palatine aponeurosis

136
Q

Insertion of palatoglossus

A

Side of the tongue

137
Q

Elevates the wall of the pharynx

A

Palatopharyngeus

138
Q

Origin of palatopharyngeus

A

Palatine aponeurosis

139
Q

Insertion of palatopharyngeus

A

Posterior border of the thyroid cartilage

140
Q

Sensory nerve supply of the tongue

A

Maxillary nerve V2

141
Q

Branches of maxillary nerve

A

Greater palatine nerve
Lesser
Nasopalatine

142
Q

Nerve that supplies the region of the soft palate

A

Glosopharyngeal

143
Q

Motor nerve supply of tongue

A

Pharyngeal plexus

144
Q

Only muscle that is NOT supplied by the pharyngeal plexus

A

Tensor veli palatini

145
Q

Nerve supply of tensor veli palatini

A

Nerve to medial pterygoid, a branch of mandibular divisions of the trigeminal nerve

146
Q

Blood supply of the tongue

A

Branches of maxillary artery
Ascending palatine, branch of facial artery
Ascending pharyngeal, branch of external carotid artery

147
Q

Branches of

Maxillary artery

A

Greater palatine
Lesser
Sphenopalatine

148
Q

Conditions of the palate

A

Cleft palate

Paralysis of soft palate

149
Q

Types of cleft palate

A

Unilateral
Bilateral
Median

150
Q

The pharyngeal isthmus cannot be closed during swallowing

A

Paralysis of the soft palate

ORAL HISTOLOGY (2 decks)

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