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Head & Neck Anatomy > Neck Anatomy > Flashcards

Neck Anatomy Flashcards

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

A

Thyroid cartilage (oblique line) to hyoid bone

24
Q

Innervation of thyrohyoid muscle

A

Ansa Cervicalis (ventral rami C1-C3)

25
Q

Attachments of sternocleidomastoid m.

A

Sternum and clavicle to mastoid process

26
Q

Innervation of sternocleidomastoid muscle

A

Accessory nerve (CN XI)

27
Q

Action of sternocleidomastoid muscle

A

Bilateral - head flexion
Unilateral - ipsilateral bending and contralateral rotation

28
Q

Action of sternocleidomastoid muscle

A

Bilateral - head flexion
Unilateral - ipsilateral bending and contralateral rotation

29
Q

Attachments of scalene muscles

A

Ribs 1-2 and transverse processes of C2-C7

30
Q

Innervation of scalene muscles

A

Ventral rami C3-C8

31
Q

Action of scalene muscles

A

Unilateral - ispilateral neck bending

32
Q

What nerve and vein are anterior to the anterior scalene muscle?

A

Phrenic nerve and subclavian vein

33
Q

What nerve and artery are between anterior and middle scalene muscles?

A

Brachial plexus and subclavian artery

34
Q

What structures mark the transition of anterior versus posterior belly of digastric muscle?

A

Stylohyoid muscle and connective tissue loop similar to the trochlea

35
Q

What does omo mean in Latin?

A

Shoulder

36
Q

Attachments of Longus Coli muscle

A

Bodies of cervical vertebrae

37
Q

Attachments of longus capitis muscle

A

Transverse processes of C3-C6 to basilar part of occipital bone

38
Q

Attachments of rectus capitis anterior and lateralis muscles

A

Transverse process of C1 and skull

39
Q

Through what foramen does facial nerve exit the skull to arise in the face?

A

Stylomastoid foramen

40
Q

What neck muscles near the stylomastoid foramen are innervated by facial nerve?

A

Stylohyoid and posterior belly of digastric

41
Q

What neck muscles are innervated by Mandibular nerve (V3)?

A

Anterior belly of digastric and mylohyoid via nerve to mylohyoid

42
Q

What does nerve to mylohyoid branch from?

A

Inferior alveolar nerve

43
Q

What nerves form the superior and inferior roots of Ansa Cervicalis?

A

Superior root is ventral rami C1
Inferior root is ventral rami C2-C3

44
Q

What nerve does the superior root of Ansa Cervicalis travel with?

A

Hypoglossal nerve

45
Q

What structure does Ansa Cervicalis lie anterior to?

A

Carotid sheath

46
Q

What are the contents of the carotid sheath?

A

Vagus nerve, common carotid artery, and internal jugular vein

47
Q

What nervous system structure is located posterior to the carotid sheath?

A

Sympathetic chain

48
Q

What branch of vagus nerve is visible in the carotid sheath?

A

Superior laryngeal nerve

49
Q

What is the path of hypoglossal nerve in the neck?

A

Crosses over carotid artery behind digastric muscle and travels into the tongue between mylohyoid and hyoglossus muscles

50
Q

Key branches of subclavian artery in neck

A

Internal thoracic artery
Vertebral artery
Dorsal scapular artery
Thyrocervical trunk
Inferior thyroid artery
Transverse cervical artery
Suprascapular artery

51
Q

Anterior branches of external carotid artery

A

Superior thyroid artery
Lingual artery
Facial artery
Maxillary artery
Superficial temporal artery

52
Q

Posterior branches of external carotid artery

A

Ascending pharyngeal artery (at carotid bifurcation)
Occipital artery
Posterior auricular artery

53
Q

What are some main branches of the maxillary artery?

A

Middle meninges artery
Inferior alveolar artery
Infraorbital artery
Greater palatine artery

54
Q

What are some main branches of the maxillary artery?

A

Middle meninges artery
Inferior alveolar artery
Infraorbital artery
Greater palatine artery

55
Q

Internal carotid artery

A

Head & Neck Anatomy (3 decks)

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