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The anterior and posterior muscles of the occipitofrontalis are connected by the galea aponeurotica. The galea aponeurotica is continuous laterally with the temporoparietal fascia overlying the temporal fascia. Each frontal belly of the frontalis muscle arises from the anterior margin of the galea aponeurotica around the level of the coronal suture line and extends forward to merge with the muscles adjacent to the supraorbital rim. The primary function of the occipitofrontalis muscle is to elevate the eyebrows.

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Forehead and Orbital Regions

  • 章节

  • 发表日期：

    2025年

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  • Nobutaka Yoshioka,
  • Albert L. Rhoton, Jr.,
  • Juan C. Fernandez-Miranda

摘要

The anterior and posterior muscles of the occipitofrontalis are connected by the galea aponeurotica. The galea aponeurotica is continuous laterally with the temporoparietal fascia overlying the temporal fascia. Each frontal belly of the frontalis muscle arises from the anterior margin of the galea aponeurotica around the level of the coronal suture line and extends forward to merge with the muscles adjacent to the supraorbital rim. The primary function of the occipitofrontalis muscle is to elevate the eyebrows.