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Anatomy > Anatomy Review Slides Lec. 22 > Flashcards

Anatomy Review Slides Lec. 22 Flashcards

1
Q

Esophageal Hiatus

  • Vertebral level
  • Opening for
  • accompanied nerve
A
  • at T-10
  • Opening of the Esophagus
  • Accompanied by the VAGUS Nerve
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2
Q

Subdivisions of the Sup. Mediastinum

A
  1. Retrosternal
    (Behind Sternum)
  2. Prevertebral
    (Before Vertebrae)
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3
Q

Aortic Hiatus

  • Vertebral level
  • Opening for
  • accompanied nerve
A
  • at T-12
  • Opening of the Aorta
  • Accompanied by the Greater Splanchnic Nerve
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4
Q

Arterial Supply to the Diaphragm

A

Sup. Aspect & Inf. Aspect

  • Anything with “PHRENIC” in the name
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5
Q

Contents of the ANTERIOR Inferior Mediastinum

A
  • Thymus
  • Fat
  • Lymph nodes
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6
Q

If you stick a needle too far in the RIGHT Costo-Diaphragmatic Recess, what could you Hit?

A

The LIVER

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7
Q

Left Crura is at what Position?

A

L2

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8
Q

How many Arcuates are there in the Diaphragm?

A

3 Total

  1. Median
  2. Medial
  3. Lateral
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9
Q

Where does the Sup. And Inf. Mediastinum separate?

A
  • Horizontal plane

- B/w STERNAL Angle and IV Disc T4-T5

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10
Q

Mediastinum

A

Space b/w Lungs

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11
Q

Contents of the Retrosternal Sup. Mediastinum

A
  • Greater vessels and branches

- Thymus
Also apart of the ANT. INF. Mediastinum

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12
Q

Contents of the Prevertebral Sup. Mediastinum

A
  • Trachea
  • Esophagus
  • Thoracic Duct
  • Sympathetic trunks
  • Vagus Nerves
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13
Q

Lateral Arcuate

A
  • Lumbocostal arches
  • From deep Fascia of QUADRATUS LUMBORUM Muscle
  • From Transverse process of L1 - L2
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14
Q

Nerve supply to the Diaphragm

A

PHRENIC Nerve

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15
Q

If you stick a needle too far in the LEFT Costo-Diaphragmatic Recess, what could you Hit?

A

The SPLEEN

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16
Q

What are the three structures that Pierce the diaphragm?

A
  1. Caval Foramen
  2. Esophageal Hiatus
  3. Aortic Hiatus
17
Q

Medial Arcuate

A
  • Lumbocostal Arches
  • From deep fascia of PSOAS Major Muscle
  • From transverse process of L1
18
Q

Contents of the POSTERIOR Inferior Mediastinum

A
  • Esophagus
  • Thoracic duct
  • AORTA and branches
  • Vagus nerve
  • Symp Trunks
  • Azygoes system of veins
19
Q

Caval Foramen

  • Vertebral level
  • Opening for
  • accompanied nerve
A
  • at T-8
  • Opening of the INF. Vena Cava
  • Accompanied by the Right Phrenic Nerve
20
Q

Right Crura is at what Position?

A

L3

21
Q

Major sections of the Mediastinum

A

2 Total

  • Superior
  • Inferior
22
Q

Crura of the Diaphragm

A
  • Muscular pillars
  • Originate from LUMBAR vertebra
  • Right “leg” is from L3
    (Forms weak sphincter around the esophagus)
  • Left “leg” is from L2
23
Q

Contents of the MIDDLE Inferior Mediastinum

A
  • Pericardium
  • Phrenic Nerves
  • Pericardiac-phrenic Artery
  • Heart and Great Vessels

Anatomy (16 decks)

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