Triangles Flashcards

1
Q

Vertebral Level for Thyroid Cartilage, Carotid Bifurcation, Hyoid Bone

A

C3-C4

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2
Q

Vertebral Level for Cricoid Cartilage, Esophagus, Trachea

A

C5-C6

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3
Q

Anterior Triangle

A

Midline of Neck
SCM
Lower border of Mandible

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4
Q

Posterior Triangle

A

SCM
Trapezoid
Clavicle

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5
Q

Submandibular Borders

A

Anterior Digastric
Posterior Digastric
Inferior Mandible

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6
Q

Submental Borders

A

Midline of Neck
Anterior Digastric
Body of Hyoid

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7
Q

Muscular Borders

A

Body of Hyoid
Superior Omohyoid
SCM

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8
Q

Carotid Borders

A

Posterior Digastric
Superior Omoyoid
SCM

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9
Q

Posterior Triangle Floor

A
Splenius Capitus
Levator Scapulae
Posterior Scalene
Middle Scalene
Anterior Scalene
Omohyoid
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10
Q

Investing Layer

A

Surrounds Entire Neck
Encloses SCM and Traps
Encloses Parotid and submandibular

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11
Q

Pretracheal Layer

A

Anterior Region of Neck
Blends with pericardium of heart
Infrahyoid muscles

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12
Q

Prevertebral Layer

A

Encloses Vertebral Column
+ Muscles
Extends laterally as axillary sheath to arm
Phrenic N

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13
Q

Carotid Sheath

A

Internal Jugular Vein
Common Carotid A
Vagus N

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14
Q

Retropharyngeal Space

A

Posterior to the Pharynx

Superior Sympathetic Ganglion

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15
Q

Laryngeal Spaces: Rima Glottidis

A

Between true Vocal Folds

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16
Q

Laryngeal Spaces: Infraglottic Space

A

In between Cricoid arches

17
Q

Laryngeal Vestibule

A

Opening to substance of larynx

18
Q

Laryngeal Spaces: Rima vestibuli

A

Between Vestibular Folds

19
Q

Pterygopalatine Fossa Borders

A

Anterior: Maxillary Tuberosity
Posterior: Pterygoid Process of Sphenoid (lateral plate)
Medial: Perpendicular Plate of palatine bone
Lateral: Infratemporal fossa via pterygomaxillary fissure

Roof: Greater wing of Scaphoid
Floor: Pyramidal process of palatine bone

20
Q

Pterygopalatine Openings:

A

Superior: Inferior Orbital fissure
Inferior: Palatine Foramen