Vena Cava Cranialis and - Venous BS of the THORAX Flashcards

1
Q

Side?

A

RIGHT SIDE

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2
Q

VENA CAVA CRANIALIS

Main Branches

A
  1. V. Azygos Dextra *
  2. V. Costocervicalis dextra*
  3. V. Thoracica interna*
  4. V. BRACHIOCEPHALLICA*
  5. V. JUGULARIS EXTERNA
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3
Q

VENA CAVA CRANIALIS

5. V. Jugularis externa

A
  1. V. Jugularis externa
    Recieves blood from:
    - V. Maxillaris
    - Tr. Linguofacialis
  • V. Jugularis Interna

Drain into:
- Brachiocephallica –> then into V.Cava cranialis

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4
Q

VENA CAVA CRANIALIS

A
4. V. BRACHIOCEPHALLICA*
Recieves blood from:
- V. Sublavia sinistra
- V. Jugularis Externa et interna
- V. Subclavia dextra

Drains into V. Cava Cranialis

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5
Q
  1. V. Thoracica interna*
A

Drains into V. Cava Cranialis

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6
Q
  1. V. Costocervicalis Dextra
A
2. V. Costocervicalis Dextra
Recieving blood from:
- V. Vertebralis
- V. Scapularis Dorsalis
- V. Cervicalis Profunda
  - v. Vertebralis thoracica
  - Rr. Intercostalis dorsalis

Drains into:
V. Cava cranialis

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7
Q
  1. V. Azygos Dextra *
A

Recieves blood from :

  • Vv. Intercostalis dorsalis
  • V. Bronchooesophagea

Drains into:
V. Cava cranialis

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8
Q

Interspecial Differenses

EQ

A
  1. Vv. Jugularis externa
    Drains into:
  2. Truncus Jugularis
VENA CAVA CRANIALIS:
Collecting blood directly from:
1. Truncus Jugularis
2. V. Subclavia
3. V. Thoracica interna
4. V. Vertebralis
5. V. Azygos deztra with vv. intercostalis
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9
Q

Interspecial Differenses

Ca

A

V.Jugularis and V.Subclavia drains into

V. Brachiocephallica –> V.cava.cran

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10
Q

Aortic arch branches:

A

● Brachiocephalic trunk

● Subclavia sinistra

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11
Q

Thoracic aorta Branches:

A
  1. ● Aa. Intercostales dorsales:
    supply wall of thorax
    ○ Rami spinales: branches to spinal cord
  2. ● A. Broncho-oesophagea
    ○ Bronchial branches
    ○ Oesophageal branches
  3. ● A. Costoabdominalis:
    supplies abdominal wall
  4. ● Eq: A. Phrenica cranialis:
    supplies diaphragm
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12
Q

VENOUS Bloodsupply of the thorax

A

Cranial vena cava
● V. Jugularis (all domestic mammals except eq and goat have 2 pairs of jugular
veins, internal and external)

● V. Subclavia sin/dex

● V. Broncho-oesophagea

● Eq, ca, fe: right azygos vein

● The cranial vena cava passes through the cranial mediastinum to the right of the
brachiocephalic trunk and opens into the right atrium

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