B9 - Veins of the head, with the exception of the brain’s veins

Question 1

Draw v. linguofacialis

1. Dog
2. Horse

Answer 1

Question 2

Draw the veonus blood supply (dog)

Answer 2

Question 5

Draw arcus hyoideus

Answer 5

Ø eq ??

Question 6

Veins

Interspecies differences

Answer 6

• Arcus hyoideus (ø eq)
• V. facialis
  
  • ​V. submentalis (ø eq)
• V. maxillaris
  
  • ​Eq: r. sublingualis
  • Sus: v. palatinia descendens
• Horse:
  
  • Sinus buccalis
    
    • ​V. maxillaris → v. buccalis
  • Sinus venae transversus faciei
    
    • ​V. transversus faciei → v. temporalis superficialis
  • Sinus venae profunca
    
    • ​V. facialis → v. palatinus descendens

Question 7

Plexus opthamicus

Answer 7

• Drains into sinus cavernosus and tributaries of the v. facialis
• Location: within the preorbita
  
  • ​Made up by:
    
    • V. opthalmichi externa dorsalis
    • V. opthalmichi externa ventralis

Question 8

Superficial venous system

Head

Answer 8

• From v. jugularis externa:
  
  • ​V. linguofacialis
    
    • V. facialis
      
      • ​V. dorsalis nasi
      • V. infraorbitalis
      • V. labialis inferior
      • V. labialis superior
      • V. angularis oculi
    • V. lingalis
      
      • ​Form arcus hyoideus superficialis (ø eq)
  • V. maxiallaris
    
    • ​V. temporalis superficialis
      
      • ​V. auricularis rostralis
        
        • ​V. auricularis media