Morphometric Analysis of the Middle Meningeal Artery Organization in Humans—Embryological Considerations

Tales Harthmann da Silva; Joel Henrique Ellwanger; Helen Tais da Rosa Silva; Daniela Moraes; Anderson Cesar Dotto; Vinicius de Aguiar Viera; Deivis de Campos

doi:10.1055/s-0033-1333615

Journal of Neurological Surgery Part B: Skull Base, Table of Contents

J Neurol Surg B Skull Base 2013; 74(02): 108-112
DOI: 10.1055/s-0033-1333615

Original Article

Georg Thieme Verlag KG Stuttgart · New York

Morphometric Analysis of the Middle Meningeal Artery Organization in Humans—Embryological Considerations

Tales Harthmann da Silva

¹Curso de Odontologia, Departamento de Enfermagem e Odontologia, Universidade de Santa Cruz do Sul, Santa Cruz do Sul, Brazil

,

Joel Henrique Ellwanger

²Curso de Ciências Biológicas, Departamento de Biologia e Farmácia, Universidade de Santa Cruz do Sul, Santa Cruz do Sul, Brazil

³Departamento de Biologia e Farmácia, Laboratório de Histologia e Patologia, Universidade de Santa Cruz do Sul, Santa Cruz do Sul, Brazil

,

Helen Tais da Rosa Silva

²Curso de Ciências Biológicas, Departamento de Biologia e Farmácia, Universidade de Santa Cruz do Sul, Santa Cruz do Sul, Brazil

,

Daniela Moraes

¹Curso de Odontologia, Departamento de Enfermagem e Odontologia, Universidade de Santa Cruz do Sul, Santa Cruz do Sul, Brazil

,

Anderson Cesar Dotto

¹Curso de Odontologia, Departamento de Enfermagem e Odontologia, Universidade de Santa Cruz do Sul, Santa Cruz do Sul, Brazil

,

Vinicius de Aguiar Viera

¹Curso de Odontologia, Departamento de Enfermagem e Odontologia, Universidade de Santa Cruz do Sul, Santa Cruz do Sul, Brazil

,

Deivis de Campos

¹Curso de Odontologia, Departamento de Enfermagem e Odontologia, Universidade de Santa Cruz do Sul, Santa Cruz do Sul, Brazil

²Curso de Ciências Biológicas, Departamento de Biologia e Farmácia, Universidade de Santa Cruz do Sul, Santa Cruz do Sul, Brazil

³Departamento de Biologia e Farmácia, Laboratório de Histologia e Patologia, Universidade de Santa Cruz do Sul, Santa Cruz do Sul, Brazil

⁴Programa de Pós-Graduação em Neurociências, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil

› Author Affiliations

Abstract

The middle meningeal artery (MMA) is the largest branch of the internal maxillary artery supplying the meninges. The complex sequence of MMA development gives many opportunities for variant anatomy. Additionally, the variations in the origin of the MMA are of clinical importance when dealing with fractures of the base of the skull, epidural hematomas, and bypass procedures. Therefore, various anastomosis and aberrant origins of the MMA have been documented in literature. However, there are no reports about some morphometric aspects of this important arterial segment. Thus, in this study, we decided to investigate the anatomical organization of the MMA through the bony groove measurements from human skulls (n = 50 subjects). Six measurements were performed bilaterally: angle of the main trunk, length of the main trunk, angle between the frontal and parietal branches, length of the frontal branch, length of the parietal branch, and length of the bony tunnel formed by the frontal branch. We showed that the anatomical organization of the MMA is bilaterally similar, except for the length of the parietal branch (p = 0.009). Moreover, our results provide baseline normal values for future studies aimed at further elucidating the functional and morphological pattern of the MMA.

Keywords

anatomy - bony groove - anatomical variation - middle meningeal artery

Full Text

References

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