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Head & Neck Anatomy > Neck Anatomy > Flashcards

Neck Anatomy Flashcards

(55 cards)

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1
Q

Attachments of digastric muscles

A

Mastoid process to digastric fossa via hyoid bone

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2
Q

Innervation of digastric muscle - posterior belly

A

Facial nerve (CN VII)

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3
Q

Innervation of digastric muscle - anterior belly

A

Mandibular nerve (V3) via mylohyoid nerve

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4
Q

Action of digastric muscle

A

Elevate hyoid bone

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5
Q

Attachments of stylohyoid muscle

A

Styloid process to hyoid bone (lesser horn)

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6
Q

Innervation of stylohyoid muscle

A

Facial nerve (CN VII)

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7
Q

Action of stylohyoid muscle

A

Elevate hyoid bone

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8
Q

Attachment of mylohyoid muscle

A

Mylohyoid line of mandible to median raphe and hyoid bone

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9
Q

Innervation of mylohyoid muscle

A

Mandibular nerve (CN V3) via mylohyoid nerve

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10
Q

Action of mylohyoid muscle

A

Elevate hyoid bone

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11
Q

Attachment of geniohyoid muscle

A

Posterior chin (digastric fossa) to hyoid bone

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12
Q

Innervation of geniohyoid muscle

A

Ventral ramus C1

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13
Q

Action of geniohyoid muscle

A

Elevates hyoid bone

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14
Q

Attachments of omohyoid muscle

A

Scapula to hyoid bone

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15
Q

Innervation of omohyoid muscle

A

Ansa cervicalis (ventral rami C1-C3)

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16
Q

Action of omohyoid muscle

A

Depress hyoid bone

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17
Q

Attachments of sternohyoid muscle

A

Sternum to hyoid bone

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18
Q

Innervation of sternohyoid muscle

A

Ansa Cervicalis (ventral rami C1-C3)

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19
Q

Action of sternohyoid muscle

A

Depress hyoid bone

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20
Q

Attachments of sternothyroid muscle

A

Sternum to thyroid cartilage

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21
Q

Innervation of sternothyroid muscle

A

Ansa Cervicalis (C1-C3 ventral rami)

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22
Q

Action of sternothyroid muscle

A

Depress larynx

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23
Q

Attachments of thyrohyoid muscle

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A

Thyroid cartilage (oblique line) to hyoid bone

24
Q

Innervation of thyrohyoid muscle

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A

Ansa Cervicalis (ventral rami C1-C3)

25
Attachments of sternocleidomastoid m.
Sternum and clavicle to mastoid process
26
Innervation of sternocleidomastoid muscle
Accessory nerve (CN XI)
27
Action of sternocleidomastoid muscle
Bilateral - head flexion Unilateral - ipsilateral bending and contralateral rotation
28
Action of sternocleidomastoid muscle
Bilateral - head flexion Unilateral - ipsilateral bending and contralateral rotation
29
Attachments of scalene muscles
Ribs 1-2 and transverse processes of C2-C7
30
Innervation of scalene muscles
Ventral rami C3-C8
31
Action of scalene muscles
Unilateral - ispilateral neck bending
32
What nerve and vein are anterior to the anterior scalene muscle?
Phrenic nerve and subclavian vein
33
What nerve and artery are between anterior and middle scalene muscles?
Brachial plexus and subclavian artery
34
What structures mark the transition of anterior versus posterior belly of digastric muscle?
Stylohyoid muscle and connective tissue loop similar to the trochlea
35
What does omo mean in Latin?
Shoulder
36
Attachments of Longus Coli muscle
Bodies of cervical vertebrae
37
Attachments of longus capitis muscle
Transverse processes of C3-C6 to basilar part of occipital bone
38
Attachments of rectus capitis anterior and lateralis muscles
Transverse process of C1 and skull
39
Through what foramen does facial nerve exit the skull to arise in the face?
Stylomastoid foramen
40
What neck muscles near the stylomastoid foramen are innervated by facial nerve?
Stylohyoid and posterior belly of digastric
41
What neck muscles are innervated by Mandibular nerve (V3)?
Anterior belly of digastric and mylohyoid via nerve to mylohyoid
42
What does nerve to mylohyoid branch from?
Inferior alveolar nerve
43
What nerves form the superior and inferior roots of Ansa Cervicalis?
Superior root is ventral rami C1 Inferior root is ventral rami C2-C3
44
What nerve does the superior root of Ansa Cervicalis travel with?
Hypoglossal nerve
45
What structure does Ansa Cervicalis lie anterior to?
Carotid sheath
46
What are the contents of the carotid sheath?
Vagus nerve, common carotid artery, and internal jugular vein
47
What nervous system structure is located posterior to the carotid sheath?
Sympathetic chain
48
What branch of vagus nerve is visible in the carotid sheath?
Superior laryngeal nerve
49
What is the path of hypoglossal nerve in the neck?
Crosses over carotid artery behind digastric muscle and travels into the tongue between mylohyoid and hyoglossus muscles
50
Key branches of subclavian artery in neck
Internal thoracic artery Vertebral artery Dorsal scapular artery Thyrocervical trunk Inferior thyroid artery Transverse cervical artery Suprascapular artery
51
Anterior branches of external carotid artery
Superior thyroid artery Lingual artery Facial artery Maxillary artery Superficial temporal artery
52
Posterior branches of external carotid artery
Ascending pharyngeal artery (at carotid bifurcation) Occipital artery Posterior auricular artery
53
What are some main branches of the maxillary artery?
Middle meninges artery Inferior alveolar artery Infraorbital artery Greater palatine artery
54
What are some main branches of the maxillary artery?
Middle meninges artery Inferior alveolar artery Infraorbital artery Greater palatine artery
55
Internal carotid artery

Head & Neck Anatomy (3 decks)

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