Cranial Floor View Of Skull

Inside the skull the floor of the cranial cavity is subdivided into three cranial fossae spaces which increase in depth from anterior to posterior see figure 4 figure 6b and figure 9.

Cranial floor view of skull.

Your cranial bones are eight bones that make up your cranium or skull which supports your face and protects your brain. These fossae called the anterior middle and posterior cranial fossae provide spaces that accommodate the shape of the brain. Bones of the skull superior cranial floor learn by taking a quiz. Since the brain occupies these areas the shape of each conforms to the shape of the brain regions that it contains.

Or temporal squama pars squamosa. The sphenoid bone is a butterfly shaped cranial bone that is located in the middle of the skull between the frontal and temporal bones. The cranial floor base denotes the bottom of the cranium. We ll go over each of these bones and where they re located.

Cranial fossae are three depressions in the floor of the cranium. Inside the skull the floor of the cranial cavity is subdivided into three cranial fossae spaces which increase in depth from anterior to posterior see figure 4 figure 6b and figure 9. Deep within the head lies the floor of the cranial cavity which contains the brain. The sphenoid bone from the outside appears to contribute to only a small portion of the cranium but when the parietal bones are removed and the interior of the cranial cavity where the brain would be housed is viewed you can see the butterfly like shape of the sphenoid bone makes a large contribution to the floor of the cranial cavity.

Since the brain occupies these areas the shape of each conforms to the shape of the brain regions that it contains. An interactive quiz covering cranial floor bones through multiple choice questions and featuring the iconic gbs illustrations. The ethmoid bone which from the outside is only. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube.

Only bones structures listed in class are listed here. Superior view of the cranial floor. Online quiz to learn bones of the skull superior cranial floor your skills rank. The lower cranial nerves designated as ix x and xi pass from the brain through the jugular foramen into the neck.