Anatomy and Cell Biology 2221 Lecture Notes - Lecture 1: Postcentral Gyrus, Foramen Magnum, Primary Motor Cortex
6 Jan 2017
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Document Summary
Skull is made up of 3 fossae. These fossa help hold the various parts of the brain. 3 basins: anterior cranial fossa, middle cranial fossa, posterior cranial fossa. Many foramen: foramens are the holes in the skull, they allow vessels and nerves to pass through these holes, lots of cranial nerves going through the foramen. Implications for swelling: when you have an opening in the bones, there are implication for swelling, the brain is very soft and very thick. If you have pressure (fluid or bone pushing against it), the brain tissue will start to seep through the foramen (especially the foramen magnum: pushes the brain down through the foramen magnum towards the brainstem area. A few features on the skull, more detail in the lab. Temporal bone (petrous portion: petrous- the ridge part of the bone. You would have csf leak out into the nasal area.
