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Anatomy 205 > Muscular Triangle: Medial Region In Front Of Neck > Flashcards

Muscular Triangle: Medial Region In Front Of Neck Flashcards

1
Q

Median region in front of neck

A

Median space from chin to sternum

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2
Q

Structures

A
  1. Suprahyoid structures
  2. Infrahyoid structures
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3
Q

Suprahyoid structures

A
  1. Beginning of anterior jugular veins
  2. Submental lymph nodes
  3. Median fibrous raphe
  4. Hyoid bone
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4
Q

Beginning of anterior jugular veins

A

From submental veins

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5
Q

Submental lymph nodes

A

In submental triangle

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6
Q

Median fibrous raphe

A

Receiving mylohyoid insertion

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7
Q

Hyoid bone

A

At C2 level with:
1. Above: with suprahyoid
2. Below: infrahyoid
Arterial anastomosis

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8
Q

Infrahyoid structures

A
  1. Thyroid membrane
  2. Laryngeal prominence (Adam’s apple)
  3. Circothyroid ligament and muscles
  4. Circoid cartilage
  5. Circotracheal ligament
  6. Thyroid isthmus
  7. Below isthmus
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9
Q

Thyrohyoid membrane

A

From thyroid cartilage upper border to hyoid upper border pierced by superior laryngeal artery and internal laryngeal nerve

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10
Q

Laryngeal prominence

A

Thyroid cartilage anterior convex part with thyroid notch on upper margin

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11
Q

Circoid cartilage

A

At C6 vertebra level

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12
Q

Circotrachel ligament

A

Between circoid cartilage and 1st tracheal ring

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13
Q

Thyroid isthmus

A

On 2nd, 3rd, and 4th tracheal rings with vas ulnar anastomosis on its upper border

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14
Q

Below isthmus

A
  1. Inferior thyroid
  2. Thyroidea ima artery
  3. Jugular arch
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15
Q

Inferior thyroid veins

A

Descend in front of 5th, 6th, and 7th tracheal rings

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16
Q

Thyroidea ima artery

A

In 10%
Ascends in front of trachea to isthmus

17
Q

Jugular arch

A

Between anterior jugular veins in lower ends

18
Q

Lymph nodes in median region

A
  1. Superficial: submental lymph nodes
  2. Deep:
    - infrahyoid
    - prelaryngeal
    - pretracheal and paratracheal lymph nodes
19
Q

Vascular anastomosis in median region

A
  1. Between suprahyoid arteries
  2. Between superior thyroid arteries
  3. Between infrahyoid arteries
  4. Jugular arch connecting anterior jugular veins lower ends

Anatomy 205 (197 decks)

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