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Regional Anatomy (Head And neck) > The Oral Cavity > Flashcards

The Oral Cavity Flashcards

1
Q

Conveniently divided by the arch formed by the teeth and the gums into ORAL VESTIBULE and ORAL CAVITY PROPER

A

The oral cavity

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2
Q

Anterrior boundary of the oral vestibule

A

Lips

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3
Q

Lateral boundary of the oral vestibule

A

Cheeks

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4
Q

Superior boundary of the oral vestibule

A

Mucolabial and muccobuccal folds

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5
Q

Posterior and medial boundary of the oral vestibule

A

Teeth and gums

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6
Q

Anterior and lateral boundary of the oral cavity

A

Teeth and gums

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7
Q

Superior boundary of the oral cavity

A

Hard and soft palate

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8
Q

Inferior boundary of the oral cavity

A

Tongue and floor of the mouth

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9
Q

Posterir boundary of the oral cavity

A

Opeing of the pharynx

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10
Q

Features the anterior 2/3 of the tongue, lingual frenulum, lingual vein, sublingual caruncle, sublingual folds, and fimbriated fold.

A

Sublingual region

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11
Q

Consist of dense vascular fibrous tissue which is covered by mucous membrane and is attached to the alveolar margins of the jaw.

A

Gums/gingivae

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12
Q

Continuous with the mucosa of the oral vestibule externally and the palate or the floor of the mouth internally.

A

Gums/gingivae

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13
Q

Forms the superior wall or roof of the oral cavity proper.

A

Hard and soft palate

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14
Q

Covered by MUCOPERIOSTEUM and forms a partition between the oral and nasal cavities.

A

Hard palate

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15
Q

Two bones forming the hard palate

A

Palatine process of the maxilla and horizontal plate of the palatine bone

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16
Q

A longitudinal ridge extending from the uvula to the incisive papilla

A

Median Raphe

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17
Q

A small projection of the mucosa indicating the location of the incisive foramen and the anterior limit of the medial raphe.

A

Incisive papilla

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18
Q

About six distinct elevations crossing the anterior part of the hard palate

A

Transverse palatine process or palatine rugae

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19
Q

Are small inconstant pits on the posterior margin of the hard palate on either side of the median raphe.

A

Fovea palatine

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20
Q

Posterior movable portion of the palate, extending from one side of the pharynx to the other, and attached to the posterior border of the hard palate.

A

Soft palate

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21
Q

It is the median conical projection marked by median raphe

A

Uvula

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22
Q

Are free margins of the soft palate and splitting two parts as they approach the lateral wall

A

Palatine arches

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23
Q

Encloses the the palatoglossus muscle. Also called the anterior pillsr of fauces or anterior palatine arch

A

Palatoglossal arch

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24
Q

Encloses the palatopharyngeus muscle. Also called posterior pillar of fauces or posterior palatine arch.

A

Palatapharyngeal arch

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25
Q

Originated from the palatal aponeurosis, insterts to the lateral wall if the pharynx and posterior border of the thyroid cartilage. It elevates the pharupynx and larynx, and closes the oropharyngeal isthmus.

A

Palatopharyngeus muscle

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26
Q

Originates form the palatal aponeurosis and inserted to the dorsum and lateral aspect of the tongue. It closes the oropharyngeal isthmus.

A

Palatoglossus muscle

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27
Q

Originates from the posterior nasal spine, and is inserted to the uvula. It raises the uvula to help seal oral from nasal pharynx.

A

Uvular muscle

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28
Q

Originates form the lateral aspect of the membranous portion of tbe auditory tube, scaphoid fossa of the sphenoid bone. Inserted to the tendon hooks under hamulus and inserts into the palatal aponeurosis. It tenses the palate and opens the mouth of auditory tube during swallowing and yawning.

A

Tensor Veli Palatini Muscle

29
Q

Originates from the medial aspect of the auditory tube, and inserts directly into the palatine aponeurosis. It elevates the palate during swallowing and yawning.

A

Levator Veli Palatini Muscle

30
Q

It is a mobile mass of muscles lying on the floor of the mouth and associated with the funtion of taste, chewing, swallowing, and speaking.

A

Tongue

31
Q

Lower portion of the posterior half of the tongue through which rgeb extrinsic muscles, blood vessels amd nerves become connected with the organ. It attached to the mandible and the hyoid bone.

A

Rootof the tongue

32
Q

Anterior part of the tongue, made up of interlacking skeletal muscles

A

Body of tongue

33
Q

Lateral portion of the tongue, free and blunt, in relation to the gums and teeth.

A

Margins

34
Q

The pointed and free anterior end

A

Tip or apex

35
Q

Seen when the tongue is turned upwards

A

Inferior surface

36
Q

Slightly convex antero-posteriorly and is divided into two parts by a V-shaped groove

A

Dorsum linguae

37
Q

V-shaped groove on the dorsum liguae

A

Sulcus terminalis or linea terminalis

38
Q

Opened when the mouth is opened, covered by papillae

A

Palatine part

39
Q

A faint groove spreading the palaine part into symmetrical parts

A

Median sulcus

40
Q

A small pit at the apex of the sulcus terminalis

A

Foramen caecum

41
Q

Posterior 2/3s of the tongue which contaisns serous glands and nodules of lymphoid tissue or lingual follicles

A

Pharyngeal part

42
Q

In the reflection of the mucous membrane of the tongue on to the epiglottis producing elevation

A

Glosso-epiglottic fold

43
Q

Largest, numbering form 7-12, and are arranged in front of the sulcus terminalis

A

Vallate or circumvallate papillae

44
Q

Fewer in number, and are limited to the tip and margins of the tongue

A

Fungiform papillae

45
Q

Smallest and most numerous, scattered all over the anterior 2/3s of the dorsum of the tongue

A

Filiform papillae

46
Q

Receptor organs for the special sensation of taste

A

Taste buds

47
Q

The py are pale oval bodies most of which are located surrounding the vallate papillae; few are found on the fungiform and folliate papillae

A

Taste buds

48
Q

Muscles resposible for changing position of the tongue

A

Extrinsic muscles

49
Q

Originates from the genial tubercke of mandible and insters to the tongue. It retracts and depresses the tongue.

A

Genioglossus muscle

50
Q

Orogin: hyoid bone
Insertion: posterior half of the side of the tongue
Action: depresses the tongue

A

Hyoglossus muscle

51
Q

Origin: styloid process of temporal bone
Insterion: whole length of the tongue
Action: pull the tongue upwards and backwards

A

Styloglossus muscle

52
Q

Changes the shape of the tongue

A

Instrinsic muscles

53
Q

Located close to the dorsum of the tongue and shortens the length of the tongue and to curl the tip of the tongue and back.

A

Superior and Inferior Longitudinal Muscles

54
Q

Narrows the tongue

A

Transverse muscle

55
Q

Flattens the tongue

A

Vertical muscles

56
Q

A fractured mandible may damage the WHAT NERVE to pull tongue to the same side.

A

Hypoglossal nerve

57
Q

A large lingual frenulum can limit mobility of the tongue and interfere with speech. This condition can be easily repaired by cutting the frenulum.

A

Tongue tied

58
Q

Procedure in cutting the frenulum

A

Lingual frenectomy

59
Q

One of the three major salivary glands that oriduce and secrete saliva for the oral cavity.

A

Parotid gland

60
Q

Location of the parotid gland on the superior surface

A

Posterior border of the ramus of the mandible

61
Q

Location of the parotid gland on the posterior surface

A

External auditory meatus and SCM Muscle

62
Q

Location of the parotid gland, where it is lobulated, covered by skin, fascia, lymph nodes and facial branches of the great auricuoar nerve

A

Superficial surface

63
Q

Styloid process and its muscles as well as under the mastoid and sternocleidomastoid muscles

A

Deep surface

64
Q

Anterior thickening of the capsule, which runs from the styloid process to the angle of the mandible.

A

Stylomandibular ligament

65
Q

Duct for parotid gland

A

Stensen’s duct

66
Q

Found partly in the submandibular fossa BELOW the mylohyoid muscle and partly in the floor of the mouth.

A

Submandibular gland

67
Q

Type of secretion of the submandibular gland

A

Mixed, mostly serous

68
Q

Duct for the submandibular gland

A

Wharton’s duct

69
Q

A mucous secreting gland, and smallest of the three major salivary glands, which rests UPON/ABOVE the mylohyoid muscle

A

Sublingual gland

Regional Anatomy (Head And neck) (2 decks)

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