B8 - A. maxillaris Flashcards

1
Q

When does a. maxillaris begin?

A
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2
Q

Draw the arterial blood supply (ca)

A
  • A. meningea media perforates:
    • Ca: for. ovale
    • Eq, su: for. lacerum orale
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3
Q

Draw a. maxillaris

A
  • A. meningea media perforates:
    • Ca: for. ovale
    • Eq, su: for. lacerum orale
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4
Q

List the branches of a. maxillaris

A

Genu carotidum secundum

A. carotis externa → a__. maxillaris

  • R. articulationis temporomandibularis (ca)
  • ​A. alveolaris inferior for. mandibulare → canalis madibulare → for. mentale: a. mentalis
    • Rr. dentalis
    • Rr. gingivales
    • A. incisiva mandibularis
  • A. meningea media
  • Rr. musculares (M. pterygoideus, M. levator et tensor veli palatini)

For. alare caudale

  • A. temporalis profunda caudalis et rostralis
    • Anatomosis cum a. temporalis superfificalis
  • A. opthalmichi externa
    • ​Aa. ciliares posteriores longae
    • ​Aa. ciliares posteriores breves
    • Aa. episclerales
    • A. palpebrae tertiae
    • A. supraorbitalis
    • A. lacrimalis
    • A. ethmoidalis externa → caum cranii → lamina cribosa (ca) → caum nasi → aa. septales caudales
      • A. meningea rostralis
      • Aa. nasales septales caudales

For. alare rostrale

  • A. buccalis (su: → a. angularis oculi)
  • A. infraorbitalisf**or. maxillare → canalis infraorbitalis
    • Rr. dentales
    • Rr. gingivales
    • A. incisiva maxillaris
    • A. malaris → canalis lacrimalis, palpebrae (med.)
      • A. palpebralis inferior medialis
      • A. palpebralis superior medialis
      • A. palpebralis tertiae
  • A. palatina descendens (fossa pterygopalatina)
    • A. sphenopalatina → cavum nasi
      • Aa. nasales caudales
      • Aa. nasales laterales
      • Aa. nasales septales
      • Anastomosis cum a. palatina major (fissura palatina)
    • A. palatina minor → velum palatini
    • A. palatina major → for. palatinum caudale et major (sulcus palatinus) → palatum durum
      • Anastomosis cum a. sphenopalatina (fissura palatina)​
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5
Q

Give the main interspecies differences in a. maxillaris

A
  • A. alveolaris inferior
    • Rr. mentales (ca, su) leaves through forr. mentale
    • A. mentalis (eq, ru) leaves through for. mentale
  • A. temporalis profudae caudalis et rostralis (ø su, bo. Small ru: ø caudal et rostral) → m. temporalis
    • Ca, eq: ex a. maxillaris
    • Sus, bo: ex a. buccalis
  • Rr. petrygoidei
  • A. tympanica rostralis (eq, ca)
  • A. meningea media (ø ru: ex a. maxillaris) → dura mater cranii
    • Car, ru: traverse for. ovale
    • Eq, sus: traverse for. lacerum orale
  • Rr. caudalis et rostralis as rete mirabile epidurale ventrale (ru)
  • A. buccalis → mastication muscles & gl. buccalis
    • Rr. glandulares zygomatici (car)
    • A. temporalis profunca (bo, sus)
    • A. angularis oculi (sus)
  • A. opthalmica externa
    • A. lacrimalis
      • A. palpebralis superior lateralis (eq, su)
      • A. palpebralis inferior lateralis (eq, su)
    • A. supraorbitalis (ø ca)
    • A. ethmoidalis externa
      • A. meningea rostralis (eq, ca)
  • A. malaris (ø ca: ex a. infraorbitalis)
    • A. dorsalis nasi (ru, su)
  • A. infraorbitalis (terminal branch)
    • For. maxillaris → canalis infraorbitalis → for. infraorbitale
    • A. malaris ​(ca, eq)
    • Rr. dentales (ca, eq) → canalis alveolaris → pemolars, canine & incisors
    • A. dorsales nasi (ca)
    • A. lateralis nasi (ca)
  • A. palatina descendens (terminal branch)
    • Ø interspecies branches
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