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2 DIG > AP02 - Oral Cavity, Salivary Glands, Oesophagus, and Stomach > Flashcards

AP02 - Oral Cavity, Salivary Glands, Oesophagus, and Stomach Flashcards

1
Q

What are the 2 rough sections of the mouth?

A

vestibule (between teeth and cheeks)

oral cavity

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2
Q

What are the 3 salivary glands of the mouth?

A

Parotid
Submandibular
Sublingual

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3
Q

What type of innervation do all the salivary glands of the mouth receive?

A

parasympathetic secretomotor?

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4
Q

What innervates the parotid salivary gland?

A

Glossopharyngeal nerve via the Otic ganglion

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5
Q

What innervates the submandibular gland?

A

facial nerve - via the chorda tympani and the mandibular ganglion

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6
Q

What does the parotid gland secrete, and via what structure?

A

watery serous saliva via the parotid duct, piercing the buccinator muscle into the vestibule

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7
Q

What does the submandibular gland secrete, and where?

A

mixed serous and mucous saliva, through the submandibular duct either side of the lingual frenulum

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8
Q

What innervtaes the sublingual salivary gland?

A

facial nerve - via the chorda tympani and the mandibular ganglion

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9
Q

What does the sublingual salivary gland secrete, and where?

A

thick mixed saliva, many short ducts

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10
Q

What runs down the middle of the tongue?

A

midline fibrous septum

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11
Q

What are the 4 extrinsic muscles of the tongue?

A

styloglossus
genioglossus
hyoglossus
palatoglossus

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12
Q

Where does styloglossus originate from?

A

styloid process

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13
Q

Where genioglossus originate from?

A

mandible

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14
Q

Where does hyoglossus originate?

A

hyoid bone

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15
Q

Where does palatoglossus originate from?

A

soft palate

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16
Q

What are the extrinsic tongue muscle innervated by?

A

all hypoglossal

BUT palatoglossus -Vagus nerve

17
Q

What is the structure of the soft palate?

A

extends down to form the palatoglossal and palatopharyngeal arches (either side of hole at back)
, as well as the uvula
forms the oropharyngeal isthmus

18
Q

Where is the lingual tonsil?

A

posterior tongue

19
Q

Which 2 hyoid muscles lie immediately underneath the tongue?

A

Geniohyoid (superior)

Mylohyoid

20
Q

Where would you find the fungiform papillae?

A

anterolateral tongue

21
Q

Where would you find the filiform papillae?

A

medial tongue

22
Q

Where would you find the vallate papillae?

A

rear tongue

23
Q

What provides the anterior 2/3 of the tongue with sensory innervation?

A

(general) lingual branch of mandibular trigeminal nerve

(special) chorda tympani of facial nerve

24
Q

What provides the posterior 1/3 of the tongue with sensory innervation?

A

(special AND general)

Glossopharyngeal nerve

25
Q

Name the 5 muscles of the soft palate

A 
tensor veli palatini
palatoglossus
palatopharyngeal
levator veli palatini
musculus uvalae
26
Q

What innervates the muscles of the soft palate?

A

Vagus nerve

BUT the tensor veli palatini (Mandibular trigeminal nerve)

27
Q

Which 3 soft palate muscles are involved in swallowing?

A

tensor veli palatini
palatoglossus
levator veli palatini

28
Q

Which muscle of the soft palate is used in breathing?

A

palatopharyngeal

29
Q

Which soft palate muscle controls the uvula?

A

Musculus uvalae

30
Q

Which bones form the hard palate?

A

palatine process of maxilla

horizontal plate of palatine bone

31
Q

What are the 3 groups of tonsils?

A

lingual
palatine
pharyngeal

32
Q

What are all the tonsils supplied by?

A

pharyngeal branch of the vagus nerve

33
Q

Where are the 3 perforations in the diaphragm?

A

T8 - inferior vena cava and right phrenic nerve
T10 - oesophagus, right and left Vagus, left gastric artery
T12 - aorta, thoracic duct, branch of left gastric artery

34
Q

What structure at T8 helps limit GORD?

A

The cardiac sphincter (diaphragmatic structure), between the oesophagus and the stomach

35
Q

Where are the 3 constriction points in the oesophagus?

A

cervical - cricoid cartilage
thoracic - aortic arch
abdominal - oesophageal hiatus

36
Q

What supplies and drains the oesophagus?

A 
inferior phrenic arteries (mostly)
superior phrenic
pericardiophrenic
musculophrenic
(corresponding veins)
37
Q

Which branch of the aorta supplies the stomach?

A

coeliac artery

anastosomes form along the
lesser curvature (right and left gatric arteries)
greater curvature (right and left gastro-omental arteries)
38
Q

What is between the stomach and duodenum?

A

pylorus

2 DIG (28 decks)

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