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Anatomy > The Neck > Flashcards

The Neck Flashcards

1
Q

What does the superficial neck fascia contain?

A

sensory nerves
platysma muscles
blood vessels (superficial veins)
lymphatic vessels and superficial lymph nodes

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2
Q

What makes the cervical plexus?

A

Anterior rami of cervical spinal nerves C2, 3, 4

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3
Q

What are the sensory nerves of the cervical plexus?

A
  • great auricular (C2, 3)
  • transverse cervical (C2, 3)
  • lesser occipital (C2)
  • supraclavicular (C3, 4)
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4
Q

What group of muscles does the platysma belong to?

A

Muscles of facial expression

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5
Q

What cranial nerve innervates the muscles of facial expression ?

A

CN VII - facial nerve

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6
Q

What branch of the facial nerve is the platysma supplied by?

A

Cervical branch

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7
Q

Where do superficial veins drain into?

A

Internal jugular veins

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8
Q

What are the 3 superficial jugular veins?

A
  • external jugular veins
  • anterior jugular veins
  • superficial jugular communicating veins
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9
Q

What are the 3 layers of deep cervical fascia?

A
  • investing
  • pretracheal
  • prevertebral
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10
Q

What muscles does the investing layer of deep cervical fascia split to contain?

A

Trapezius
sternocleidomastoid

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11
Q

What does the investing layer of the deep cervical fascia split superiorly to enclose?

A

submandibular and parotid salivary glands

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12
Q

What cranial nerve is deep to the investing later?

A

CN XI - Spinal accessory nerve

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13
Q

What are the 2 parts of the pretracheal layer of the deep cervical fascia and what do they enclose?

A
  • visceral (organ) - thyroid gland
  • muscular - strap muscles
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14
Q

What does the prevertebral layer of the deep cervical fascia enclose and contain?

A

postural muscles and cervical vertebrae

contains carotid sheaths

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15
Q

What do the carotid sheaths connect?

A

superior mediastinum and jugular foraminae and carotid canals at base of skull

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16
Q

What major vessels do the carotid sheaths contain?

A
  • internal jugular veins
  • carotid arteries
  • CN X (vagus)
  • deep cervical chain of lymph nodes
17
Q

Where does the retropharyngeal space lie?

A

between the pretracheal and prevertebral fascia

18
Q

What fascia is continuous with the pretracheal fascia inferiorly?

A

buccopharyngeal fascia

19
Q

What are the 4 anterior neck triangles?

A
  • submandibular
  • submental
  • muscular
  • carotid
20
Q

What are the 3 borders of the posterior triangle?

A
  • trapezius
  • clavicle
  • Sternocleidomastoid
21
Q

What are the contents of the posterior neck triangle?

A

CN XI - spinal accessory nerve

22
Q

How do you clinically test the spinal accessory nerve (CN XI)?

A
  • shrug shoulders
  • turn head to look down towards opposite side
23
Q

What are the borders of the anterior neck triangle?

A
  • sternocleidomastoid (right anf left)
  • inferior border of mandible (right and left)
24
Q

What does the submental triangle contain?

A
  • anterior belly of digastric
  • mylohyoid muscle
  • anterior jugular vein
  • submental lymph nodes
25
Q

What does the submandibular triangle contain?

A
  • digastric muscle
  • mylohyoid muscle
  • submandibular gland
  • facial artery
  • facial vein
  • submandibular lymph nodes
  • hypoglossal nerve (CN XII)
26
Q

What is the function of the hypoglossal nerve?

A

Motor supply to striated muscles of tongue EXCEPT palatoglossus

27
Q

What is ansa cervicalis?

A

C1 C2 C3 motor fibres of the hypoglossal nerve

28
Q

What does ansa cervicalis supply?

A

strap muscles except thyrohyoid

29
Q

What are the 4 strap muscles?

A
  • omohyoid
  • sternohyoid
  • sternothyroid
  • thyrohyoid
30
Q

What innervates the thyrohyoid muscle?

A

C1 motor fibres of hypoglossal nerve (CN XII)

31
Q

What triangle are the strap muscles apart of?

A

Muscular

Anatomy (7 decks)

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