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Boards part A > Anatomical triangles > Flashcards

Anatomical triangles Flashcards

1
Q

What are the boundaries of the suboccipital triangle?

A
  • rectus capitis posterior major
  • obliquus capitis superior (lateral)
  • obliquus capitis inferior
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2
Q

What is the floor of the suboccipital triangle?

A
  • posterior arch of C1

- atlanto-occipital membrance

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3
Q

What does the suboccipital triangle contain?

A
  • 3rd part of the vertebral artery
  • suboccipital nerve
  • suboccipital veins
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4
Q

What are the boundaries of the anterior cervical triagnle?

A
  • anterior midline
  • inferior ramus of the mandible
  • anterior border of the scm
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5
Q

What are the contents of the anterior cervical triangle?

A

4 different triangles

  • carotid
  • muscular
  • submental
  • muscular
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6
Q

What are the boundaries of the carotid triangle?

A
  • superior belly of the omohyoid
  • posterior belly of the digastric
  • SCM
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7
Q

What makes up the floor of the carotid triangle?

A
  • hyoglossus

- middle and inferior constrictor muscles

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8
Q

What are the contents of the carotid triangle?

A
  • CN 11, 12
  • carotid sheath
  • Ansa cervicalis
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9
Q

What is in the carotid sheath?

A
  • common carotid artery
  • external carotid artery
  • internal carotid artery
  • internal jugular vein
  • CN 10
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10
Q

What are the boundaries of the submandibular triangle?

A
  • posterior and anterior bellies of the digastric

- inferior ramus of the mandible

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11
Q

What makes up the floor of the submandibular triangle?

A
  • mylohyoid
  • hyoglossus
  • middle constrictor
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12
Q

What are the contents of the submandibular triangle?

A
  • submandibular gland
  • facial vein and artery
  • hypoglossal nerve
  • mylohyoid nerve
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13
Q

What are the boundaries of the submental triangle?

A
  • anterior bellies of digastric and hyoid
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14
Q

What is the floor of the submental triangle?

A
  • mylohyoid msucles
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15
Q

What are the contents of the submental triangle?

A
  • submental lymph nodes

- submental veins

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16
Q

What are the boundaries of the muscular triangle?

A
  • SCM
  • superior belly of omohyoid
  • anterior midline of the neck
17
Q

What are the contents of the muscular triagnle?

A
  • sternohyoid
  • sternothyroid
  • thyrohyoid
  • thyroid
  • trachea
  • larynx
18
Q

What are the boundaries of the posterior cervical triangle?

A
  • SCM
  • trapezius
  • middle third of the clavicle
19
Q

What divides the posterior cervical triangle?

A

the inferior belly of the omohyoid divides

- occipital and supraclavicular triangle

20
Q

What makes up the floor of the posterior cervical triagnle?

A
  • splenius capitis
  • levator scapulae
  • scalenus posterior, medius and anterior
21
Q

What are the contents of the posterior cervical triangle?

A
  • 6 vessels

- 7 nerves

22
Q

What are the 6 vessels contained within the posterior cervical triangle?

A
  • subclavian artery
  • suprascapular
  • transverse cervical
  • occipital arteries
  • subclavian vein
  • jugular vein
23
Q

What are the 7 nerves of the posterior cervical triangle?

A
  • great auricular
  • lesser occipital
  • supraclavicular
  • transverse cervical nerves
  • trunks of the brachial plexus
  • CN 11
  • sometimes phrenic nerve
24
Q

What are the boundaries of the Triangle of Auscultation?

A
  • trapezius
  • latissimus dorsi
  • medial border of scapula
25
Q

What is the floor of the triangle of auscultation?

A
  • rhomboid major
26
Q

What are the boundaries of the Lumbar triangle of Petit?

A
  • latissimus dorsi
  • external oblique
  • iliac crest
27
Q

What is the floor of the Lumbar Triangle of Petit?

A
  • transverses abdominis
28
Q

What are the boundaries of the inguinal triangle of Hesselbach?

A
  • rectus abdominis
  • inferior epigastric vessels
  • inguinal ligament
29
Q

What is the inguinal ligament?

A

infolding of the lower end of the aponeurosis of External oblique and extends from the ASIS to the pubic tubercle

30
Q

What is the floor of the Inguinal Triangle of Hesselbach?

A
  • transversalis fascia
31
Q

Where do direct hernias pass through?

A
  • Hesselbach’s triagnle
32
Q

Where do indirect hernias pass?

A
  • deep inguinal ring (defect in the transvcersalis fascia)
33
Q

What are the boundaries of the Femoral Triangle of Scarpa?

A
  • inguinal ligament

- medial borders of sartorius and adductor longus

34
Q

What is the floor of the femoral triangle of scarpa?

A
  • iliopsoas
  • pectineus
  • adductor longus
35
Q

What are the contents of the femoral triangle of Scarpa?

A
  • Femoral nerve
  • Femoral artery
  • femoral vein
  • femoral canal
36
Q

What lies inside of the femoral sheath?

A
  • femoral artery vein and canal

* the femoral nerve lies outside of the femoral sheath

Boards part A (4 decks)

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