The Galea aponeurotica is connective tissue at the back of the head. Connective tissue is any type of biological tissue with an extensive extracellular matrix and often serves to support, bind together, and protect organs. ...
Its medial fibers are continuous with those of the Procerus; its immediate fibers blend with the Corrugator and Orbicularis oculi; and its lateral fibers are also blended with the latter muscle over the zygomatic process of the frontal bone.
From these attachments the fibers are directed upward, and join the galeaaponeurotica below the coronal suture.
The medial margins of the Frontales are joined together for some distance above the root of the nose; but between the Occipitales there is a considerable, though variable, interval, occupied by the galeaaponeurotica.
The temporoparietal fascia forms the galeaaponeurotica over the temporal, parietal, and occipital areas.
From superficial to deep, they are (1) the hair-bearing scalp, (2) the subcutaneous fat layer, (3) the galeaaponeurotica or temporoparietal fascia, (4) a loose, areolar tissue layer, and (5) the pericranium.
The temporoparietal fascia (galeaaponeurotica) and the temporalis muscle are two distinct structures, separated by the loose, areolar tissue layer.
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