Cervical Triangles Flashcards

1
Q

What are in the anterior triangles?

A
  1. Digastric or submandibular
  2. Submental
  3. Muscular
  4. Carotid
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2
Q

What are in the posterior triangles?

A
  1. Occipital triangle

2. Subclavian (supraclavicular or omoclavicular).

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3
Q

What are the borders of the anterior triangle?

A
  • Anterior border of sternocleidomastoid.
  • Inferior border of mandible.
  • Midline of neck.
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4
Q

What are the borders of the submandibular or digastric triangle?

A
  • Anterior digastric
  • Posterior digastric
  • Inferior border of mandible.
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5
Q

What is the floor and roof of the submandibular or digastric triangle?

A

Floor=Hyoglossus, Mylohyoid, Middle constrictor

Roof: Sking, Superficial fascia with platysma, Deep cervical fascia.

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6
Q

What are the arteries, veins, nerves and structures conatained in the submandibular/digastric triangle?

A

A: Facial, Submental, Lingual
V: Facial, Submental, Lingual
N: Mylohyoid, CN XII
S: Submandibular gland, Subman lymph nodes, inferior portion of parotid gland.

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7
Q

What are the borders, floor, and roof of Submental triangle?

A
  1. Borders=
    - Left anterior digastric
    - Right ant digastric
    - Body of hyoid bone
  2. Floor: Mylohyoid
  3. Roof= Skin, Superficial fascia, deep cervical fascia
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8
Q

What are the major contents of the submental triangle?

A

No Major contents!

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9
Q

What are the borders of floor of the muscular triangle?

A
  1. Borders:
    -Anterior border of
    SCM
    - Superior omohyoid
    -Midline
  2. Floof:
    -Sternohyoid
    -Sternothryroid
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10
Q

What are the arteries, veins, Nerves, and structures contained in the muscular triangle?

A

A: Superior thyroid
V: Inferior thryroid
N: Ansa Cervicallis
S: Sternohyoid, sternothyroid, thyrohyoid, thyroid and parathyroid gland, pharynx, larynx, trachea, esophagus.

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11
Q

What are the borders and floor of the carotid triangle?

A
  1. Borders:
    - Ant border of SCM m
    - Post digastric
    - Sup omohyoid
  2. Floor:
    - Hyoglossis
    - Thyrohyoid
    - Middle constrictor
    - Inferior constrictor
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12
Q

What are the Arteries, Veins, Nerves and Structures whithin the carotid triangle?

A
A: Common, Internal, External carotid
  -Superior thyroid
  -Lingual
  -Facial
  -Ascending pharyngeal
  -Occipital
Veins: Internal jugular
  -Common facial
  -Lingual
  -Superior thyroid
  -Middle thyroid
Nerves:
  -Vagus (external and internal laryngeal)
  -Accessory 
  -Hypoglossal
  -Ansa cervicalis (superior)
  -Superior cervical ganglion of symp trunk
Structures: Carotid sheath
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13
Q

What are the borders and floor of posterior triangle?

A
  1. Borders:
    - Ant border of trapezius
    - Post border of SCM
  2. Floor:
    - Prevertebral fascia
    - Semispinalis capitis
    - Levator scapulae
    - Scalenes
    - Omohyoid
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14
Q

Where is occipital triangle located? Contents?

A

Superior to inferior belly of omohyoid.

Arteries: Thyrocervical trunk
Nerves: Cervical plexus, accessory nerve.

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15
Q

Where is subclavian triangle located? Contents?

A

Inferior to inferior belly of omohyoid.

Arteries: Subclavian, Thyrocervical trunk
Veins: External jugular
Nerves; Brachial plexus

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16
Q

What are the borders and floor of suboccipital triangle?

A

Borders=Suboccipital muscles

Floor: Posterior arch of atlas.

17
Q

What are the arteries, veins, nerves, and muscles of suboccipital triangle?

A

A: Vertebral
V: Vertebra
N: Greater occipital, Suboccipital
M: Obliquus capitis superior and inferior
Rectus capitis posterior major and minor.