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Neuro for Comm
skull anatomy & physiology
| Question | Answer |
|---|---|
| What are the 2 main objectives of the skull? | structure and protection |
| Describe the framework of the skull. | A bony framework with almost all of the bones rigidly joined together |
| What does "rigidly" refer too? | fixed/immobile |
| Which bone of the skull is not rigidly joined together? | mandible |
| What are sutures? | immovable joints |
| What is a cranial suture? | fibrous joint only found in the skull |
| What are 2 examples of cranial suture? | coronal suture and sagittal suture |
| What does "corona" mean? | crown |
| Foramen definition | an opening that allows nerves and blood vessels to exit the skull |
| Orbit definition | the bony cavity in the skull that contains the eye socket |
| What are the 2 major sections of the skull? | cranium and facial skeleton |
| What does the cranium do? | encases and protects brain structures |
| What does the facial skeleton do? | encases and protects remaining contents |
| What does the term "lateral view" mean? | view from the side |
| What is the opposite of the term "lateral"? | medial |
| What does "anterior view" mean? | view from the front of the body |
| What is the opposite of "anterior"? | posterior |
| What does the term "supraorbital" refer to? | above the eye |
| What is the opposite of "supra"? | infra |
| What does "medial" mean? | towards the middle or center |
| What does "posterior" mean? | back of the body |
| What are paranasal sinuses? | Air filled cavities lined by epithelial tissue |
| What hapens in the paranasal sinuses? | sound bounces around |
| What can traumatic head injuries and blast injuries cause? | skull fractures |
| Traumatic head injury description | Direct or Indirect trauma to the head; Injury may be open or closed head injury |
| Blast injury characterization | anatomical and physiological changes from the direct or reflective over-pressurization force impacting the body’s surface |
| What do over-pressurized forces include? | bombs and explosions |
| What can cause cranial deformities? | premature closure of cranial sutures or hydrocephaly and microcephaly |
| What are fontanelles? | soft spots on infant |