Brief review of the anatomy of the head , spine , brain , and spinal cord
نویسنده
چکیده
Scalp The scalp is the cover of the skull and consists of several layers including the external skin and hair, subcutaneous tissue, the galea or epicranial aponeurosis, and the periosteum. The galea provides attachment to the occipitalis and frontalis muscles. Over the squamous portion of the temporal bone, the temporalis muscle is inserted between the periosteum and the subcutaneous tissue. The subcutaneous tissue of the scalp is richly vascularized and can bleed profusely. The space between the galea and the periosteum constitutes a cleavage plane that allows the scalp to be stripped from the skull (i.e., in order to expose the skull for opening during autopsy). Blood can also dissect and enter into this space giving origin to a subgaleal hematoma.
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