Head dissection Flashcards

1
Q

What innervates the parotidoauricularis?

A

Great auricular nerve of C2

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2
Q

What cranial nerves innervate the cheek muscles (zygomaticus, buccinator, masseter, etc)?

A
Trigeminal nerve (V)
Facial nerve (VII)
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3
Q

What are the 2 main branches off the external jugular that supply the head?

A

Maxillary

Linguofacial

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4
Q

What does the lingual facial vein branch into?

A

Lingual (hyoid arch is branch off this)

Facial

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5
Q

What 3 sets of lymph nodes are found in the head?

A

Submandibular (2 per side)
Parotid (in front of ear)
Retropharyngeal (behind ear)

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6
Q

Where is the parotid gland duct?

A

On surface of masseter

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7
Q

Where does the parotid gland open into the mouth?

A

Small papilla on cheek

Opposite upper molars

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8
Q

The mandibular salivary gland is found in the V shape created by which veins?

A

Linguofacial

Maxillary vein

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9
Q

Where is the sublingual gland in relation to the mandibular salivary gland?

A

Sublingual runs from cranial aspect of mandibular

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10
Q

Which nerve supplies the muscles around the eyelids?

A

Palpebral branch of facial nerve

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11
Q

Which nerve supplies the muscles rostral to the ear?

A

Rostral auricular of facial nerve

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12
Q

What are the 3 cartilages of the ear?

A

Auricular
Scutiform
Annular

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13
Q

What are the 4 main muscles of mastication?

A

Temporalis
Masseter
Digastricus
Pterygoids

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14
Q

Which is the only jaw opener? What innervates this?

A

Digastricus
Cranial half - mandibular branch of trigeminal
Caudal half - facial nerve

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15
Q

What are the jaw closing muscles? What are they all innervated by?

A

Temporalis
Masseter
Pterygoid
Innervated by mandibular branch of trigeminal

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16
Q

What does the buccinator nerve supply?

A

Sensory

To mucosa and skin of cheek

17
Q

What does the mental nerve supply?

A

Sensory

To skin of lower lip and genu

18
Q

What does the mylohyoid nerve supply?

A

Supplies mylohyoid muscle

Sensory to skin caudal to territory of mental nerve

19
Q

What is the mylohyoid a branch of?

A

Inferior alveolar (which is part of trigeminal)

20
Q

The sublingual caruncles are the orifices of which 2 salivary gland ducts?

A

Sublingual

Mandibular

21
Q

What is the chorda tympani nerve?

A
Part of the Facial nerve 
Senses taste (rostral 2/3rds)
22
Q

What innervates the tongue?

A

Rostral 2/3 - lingual of trigeminal (sensory)and chorda tympani (taste)
Caudal 1/3 - glossopharyngeal (sensory and taste)

23
Q

What ganglion is found deep in the head dissection, as part of maxillary branch of trigeminal?

A

Pterygopalatine ganglion

Small pink

24
Q

Which branch of the maxillary trigeminal cannot be seen in the head dissection and why?

A

Opthalmic

Runs deep to periorbita

25
Q

The opthalmic branch of the trigeminal splits into 3 branches. What are these?

A

Frontal nerve
Lacrimal nerve
Nasociliary nerve

26
Q

What 3 components make up the carotid sheath?

A

Common carotid artery

Internal jugular vein Vagosympathetic trunk

27
Q

What bones make up the hyoid apparatus?

A
Tympanohyoid cartilage
Stylohyoid
Epihyoid
Keratohyoid
Basihyoid
Thyrohyoid
28
Q

What muscles are associate with the hyoid apparatus? (SSGG)

A

Sternothryohyoideus
Styloglossus
Genioglossus
Geniohyoid

29
Q

What is the median long filiform body of the tongue called? (AKA the worm of the tongue)

A

Lyssa (on ventral aspect of tongue)

30
Q

What are the 4 different types of papilla on the tongue?

A
Filiform 
Fungiform 
Foliate
Vallate
Conical
31
Q

What is the name of the line running long the dorsal aspect of the tongue?

A

Median sulcus

32
Q

Where are the palatine tonsils located?

A

Tonsil crypt

33
Q

What is the only sensory component of the facial nerve? What does it supply?

A

Internal auricular nerve (passes through auricular cartilage)
Supplies sensory to skin of inner ear

34
Q

What 2 ganglia are found in the cranial neck?

A

Nodose ganglion

Cranial cervical ganglion

35
Q

The buccinator emerges between which 2 veins?

A

Facial vein

Deep facial vein

36
Q

What nerve supplies the vibrissae?

A

Mylohyoid (branch of mandibular trigeminal)