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gross anatomy 2 palmer > triangles of the neck > Flashcards

triangles of the neck Flashcards

1
Q

what are the 3 boundaries of the posterior triangle?

A

anterior- posterior border of SCM
posterior- anterior border of trapezius
inferior- superior border of middle 3rd of clavicle

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2
Q

what are the 3 boundaries of the anterior triangle?

A

superior- inferior border of mandible
anterior- anterior midline
posterior- anterior border of SCM

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3
Q

where does the apex of the anterior triangle lie?

A

inferiorly at the jugular notch

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4
Q

the roof of the anterior triangle is formed by?

A

investing layer of deep cervical fascia
superficial cervical fascia
platysma

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5
Q

what are the 4 subdivisions of the anterior triangle?

A

submental
submandibular (digastric)
carotid
muscular

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6
Q

which triangle is the only one unpaired?

A

submental

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7
Q

what are the boundaries of the submental triangle?

A

left and right anterior bellies of digastric, body of hyoid

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8
Q

what makes up the floor of the submental triangle?

A

mylohyoid muscle

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9
Q

what lies inside the submental triangle?

A

minor veins and submental lymph nodes

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10
Q

what are the boundaries of the submandibular triangle?

A

inferior border of mandible, anterior belly of digastric and posterior belly of digastric

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11
Q

what makes up the floor of the submandibular triangle?

A

mylohyoid and hypoglossus muscles

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12
Q

what are the 6 structures inside the submandibular triangle

A 
Submandibular gland
Internal carotid
Facial artery
Glossopharyngeal nerve
Internal jugular vein
Vagus nerve

SIFGIV

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13
Q

what are the boundaries of the carotid triangle?

A

posterior belly of digastric
superior belly of omohyoid
anterior border of SCM

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14
Q

what makes up the floor of the carotid triangle?

A

thyrohyoid, hypoglossus and inferior and middle constrictor muscles

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15
Q

what are the contents of the carotid triangle?

A

arteries- parts of common and internal carotid, external carotid and 3 of its branches:
-superior thyroid, lingual and facial

veins: tributaries of internal jugular vein

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16
Q

what are the boundaries of the muscular triangle?

A

superior belly of omohyoid
anterior midline of neck
anterior border of SCM

17
Q

what makes up the floor of the muscular triangle?

A

posterior layer of pre tracheal fascia

18
Q

what are the contents of the muscular triangle?

A 
Thyroid
Esophagus
Sternohyoid
Trachea
Sternothyroid

TESTS

gross anatomy 2 palmer (16 decks)

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