Divided maxillary artery in relation to the lateral pterygoid muscle

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  • R Claire Aland
    The University of New England
  • Vivien Shaw
    University of Oxford

We describe an anatomical variation of the right maxillary artery. The variation loops deep, giving off a middle meningeal artery with an extremely short extracranial segment, then bifurcates into unequal branches. The smaller branch passes superficial to the lateral pterygoid head and distributes primarily to the masticatory muscles. The larger partially pierces the lateral pterygoid lower head, re-emerges superficially, branches again and passes into the pterygopalatine fossa. The larger lies superficial to the lingual and inferior alveolar nerves and deep to the buccal nerve. An embryonic development origin of the cranial arteries is suggested.

Keywords

  • Aged, Anatomic Variation, Cadaver, Female, Humans, Maxillary Artery/anatomy & histology, Pterygoid Muscles/blood supply, Pterygopalatine Fossa/blood supply
Original languageEnglish
Pages (from-to)207-10
Number of pages4
JournalAnatomical science international
Volume91
Issue number2
Early online date16 Jun 2015
DOIs
Publication statusPublished - Mar 2016
Externally publishedYes

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