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Head and Neck > 01.1 Overview of Regional Anatomy > Flashcards

01.1 Overview of Regional Anatomy Flashcards

1
Q

What are the boundaries of the anterior triangle?

A

Superior - Mandible
Lateral - Sternocleidomastoid
Medial - Midline

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2
Q

What are the contents of the anterior triangle?

A 
4 suprahyoid muscles
4 infrahyoid muscles
Common corotid artery
Internal jugular vein
Nerves  - Facial, Glossopharyngeal, Vagus, Accessory, Hypoglossal
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3
Q

What are the subdivisions of the anterior triangle?

A

Submental triangle
Submandibular triangle
Carotid triangle triangle
Muscular triangle

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4
Q

What is the role of the suprahyoid muscles?

A

Elevate the hyoid bone to allow swallowing

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5
Q

What is the role of the infrahyoid muscles?

A

To depress the hyoid bone

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6
Q

What are the suprahyoid muscles?

A

Stylohyoid
Digastric
Mylohyoid
Geniohyoid

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7
Q

What are the infrahyoid muscles?

A

Sternohyoid
Omohyoid
Sternothyroid
Thyrohyoid

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8
Q

What are the borders of the posterior triangle?

A

Anterior - Sternocleidomastoid
Posterior - Trapezius
Inferior - Clavicle

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9
Q

What are the contents of the posterior triangle?

A 
External jugular vein
Subclavian artery
Subclavian vein
Accessory nerve
Cervical plexus
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10
Q

Which fascial layer envelops the sternocleidomastoid?

A

Deep cervical layer

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11
Q

Which fascial layer envelops the thyroid, oesophagus and trachea?

A

Pretracheal layer

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12
Q

What are the contents of the carotid sheaths?

A

Carotid artery
Internal Jugular vein
Vagus nerve
Cervical lymph nodes

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13
Q

What are the contents of the prevertebral layer?

A

Muscles that surround vertebrae

Base of the skull + T2+T3

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14
Q

What can occur if an infection is in the retropharyngeal space?

A

Mediastinitis

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15
Q

Name some muscles of mastication

A

Masseter
Tamporalis
Lateral and medial pterygoids

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16
Q

Name some facial muscles

A

Orbicularis oculi
Zygomaticus
Buccinator
Orbiularis oris

17
Q

What are the contents of the carotid triangle?

A

Bifurcation of common carotid
Internal jugular vein
Hypoglossal nerve
Vagus nerve

18
Q

Which subdivision triangle contains the submental lymph nodes?

A

Submental triangle

19
Q

What are the contents of the submandibular triangle?

A

Submandibular glands
Submandibular lymph nodes
Facial artery
Facial vein

Head and Neck (18 decks)

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