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Head and Neck > Cervical Fascia and Anterior Triangle > Flashcards

Cervical Fascia and Anterior Triangle Flashcards

1
Q

What is investing fascia made of?

A

Loose areolar

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2
Q

What does investing fascia surround

A

Muscles

Organs

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3
Q

What is superficial fascia also called?

A

Hypodermis

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4
Q

What are the contents of superficial fascia?

A

Subcutaneous nerves

Subcutaneous Vessels

Lymph Nodes

Platysma

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5
Q

What are the deep layers of fascia

A

Investing Fascia

Pretracheal fascia

Prevertebral Fascia

Carotid Heath

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6
Q
A

Prevertebral layer of deep fascia

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7
Q
A

Investing layer of deep fascia

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8
Q
A

Pretracheal Layer of deep fascia

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9
Q
A

Superficial Fascia

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10
Q
A

Skin

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11
Q
A

Platysma

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12
Q
A

Subcutaneous Tissue of Neck

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13
Q
A

Investing Fascia

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14
Q
A

Carotid Sheath

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15
Q
A

Common Carotid Artery

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16
Q
A

Internal Jugular Vein

17
Q
A

Vagus Nerve

18
Q
A

Pretracheal Layer of deep fascia

19
Q
A

Prevertebral layer of deep fascia

20
Q
A

Retropharyngeal Space

21
Q
A

Danger Space

22
Q
A

alar fascia

23
Q

What are the boundaries of the Submental Triangle

A
  • Lateral
    • Anterior bellies of digastric muscles
  • Inferior
    • Hyoid bone
  • Apex
    • Mandible
  • Floor
    • Mylohyoid muscle
24
Q

What are the contents of the Submental Triangle

A

Anterior Jugular Veins

Submental Lymph Nodes

25
Q

What are the boundaries of the Submandibular Triangle

A
  • Superior
    • Ramus of the mandible
  • Inferior, Anterior and Posterior
    • anterior belly of digastric muscle
    • Posterior belly of digastric muscle
  • Floor
    • Mylohyoid muscle
    • Hyoglossus muscle
    • Middle constrictor muscle of the Pharynx
  • Roof
    • Investing fascia
26
Q

What are the contents of the Submandibular Triangle

A

Submandibular gland

Facial artery

Vagus Nerve

Facial vein

Hypoglossal Nerve

Lymph Nodes

Glossopharyngeal Nerve

Nerve to Mylohyoid (from V3)

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27
Q

What are the boundaries of the muscular triangle

A
  • Superior
    • Superior belly of Omohyoid
  • Inferior
    • Anterior Belly of Sternocleidomastoid
  • Median
    • Midline
  • Floor
    • Pretracheal Fascia
28
Q

What are the contents of the Muscular Triangle

A
  • Infrahyoid Muscles
    • Omohyoid
    • Sternohyoid
    • Sternothyroid
    • Thyrohyoid
  • Thyroid gland
  • Parathyroid glands
  • Recurrent laryngeal Nerve
29
Q

What are the boundaries of the Carotid Triangle

A
  • Superior
    • Posterior belly of digastric muscle
  • Inferior
    • Superior belly of omohyoid muscle
  • Lateral
    • Anterior border of Sternocleidomastoid
  • Floor
    • Thyrohyoid muscle
    • Middle constrictor muscle of the pharynx
    • Inferior constrictor muscle of the pharynx
30
Q

What are the contents of the Carotid Triangle

A
  • Ansa Cervicalis
  • Internal Jugular Vein
  • Common Carotid Artery (bifurcating)
    • Internal carotid
    • External carotid
  • Carotid Sinus and Carotid Body
  • Vagus Nerve
  • Deep cervical lymph nodes
  • Spinal accessory nerve
  • Hypoglossal nerve
  • Glossopharyngeal nerve
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31
Q

What is the origin of the Common Carotid

A

Left: Brachiocephalic trnk

Right: Directly from arch of aorta

32
Q

What is the carotid sinus

A

A dilation of the common carotid as it ascends

Contains Baroreceptors (detect changes in blood pressure)

33
Q

What is the innervation of the Carotid Sinus

A

Carotid sinus nerve (Branch of Glossopharyngeal Nerve)

Vagus Nerve

34
Q

What are Carotid Bodies

A

Ovoid Masses

Contain chemoreceptors (detect changes in CO2 concentration)

35
Q

What is the location of the Carotid Bodies

A

Deep to Carotid bifurcation - close to carotid sinus

36
Q

What are the branches of the External Carotid Artery from inferior to superior?

A

Superior Thyroid Artery

Ascending Pharyngeal Artery

Lingual Artery

Facial Artery

Occipital Artery

Posterior Auricular Artery

Maxillary Artery

Superficial temporal Artery

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37
Q

What are the branches of the Internal Jugular Vein from Inferior to Superior?

A

Middle Thyroid Vein

Superior Thyroid Vein

Lingual Vein

Facial Vein

Pharyngeal Vein

Inferior Petrosal Sinus

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