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If you were to do a horizontal section of skull and look down into the cavity you would see a base made up of three levels. This is where the cerebrum sits and is called the cranial floor.
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Which cranial bone spans the width of the cranial floor?
Sphenoid bone
Why is the sphenoid bone called the keystone of the cranial floor?
Sphenoid bone: A prominent, irregular, wedge-shaped bone at the base of the skull. The sphenoid bone has been called the "keystone" of the cranial floor since it is in contact with all of the other cranial bones.The Greek physician Galen wrote that the sphenoid bone was "like a wedge thrust between the skull and the superior maxilla."
Where do the cranial nerves exit?
The cranial nerves exit from the brain inside the cranial cavity.
What is the difference between the brain and the cranial?
the brain is in the cranial
What cranial bone articulates with all other cranial bones?
The Sphenoid (Sphenoidal Bone) this is why it is know as the keystone of the cranial floor *The sphenoid is not a facial bone, it is a cranial bone. There is no facial bone which 'articulates' with 'every other facial bone'. Articulation suggests jointed so sutures would make more sense & these sutures would be on all facial bones edges which knit them together
Which cranial bone spans the width of the cranial floor?
Sphenoid bone
Single irregular bat-shaped bone forming part of the cranial floor?
It is a sphenoid bone; single, irregular bat(a bird)-shape bone forming part of the CRANIAL Floor. Not many people think sphenoid bone being part of the cranial bone that is why they don't find any answer to this question. but Sphenoid bone is one of the cranial bone and can be found on the cranial floor when looking at the skull from its superior view.
What bony depression of the cranial floor does the pituitary sit?
sella turcica of the sphenoid bone
What nerve is used for mastication in dobermans?
The cranial nerve responsible for moving the cheek muscles is cranial nerve V (the trigeminal nerve). However, cranial nerve IX (glossopharyngeal) and cranial nerve XII (hypoglossal) are also involved in moving the tongue, the throat for swallowing and the muscles along the floor of the jaw.
Why is the sphenoid bone called the keystone of the cranial floor?
Sphenoid bone: A prominent, irregular, wedge-shaped bone at the base of the skull. The sphenoid bone has been called the "keystone" of the cranial floor since it is in contact with all of the other cranial bones.The Greek physician Galen wrote that the sphenoid bone was "like a wedge thrust between the skull and the superior maxilla."
What bones form the back part of the cranial floor and is the covering for the back portion of the brain?
Foramen magnum
What bone forms the back part of the cranial floor and is the covering for the back portion of the brain?
Foramen magnum
What body cavity contains and protects the brain?
The brain lies within the cranial cavity which is inside the larger dorsal cavity
Where do the cranial nerves exit?
The cranial nerves exit from the brain inside the cranial cavity.
Where the cranial nerves belong?
Cranial Nerves 1-2 Cranial Nerves 3-4 belong to the midbrain. Cranial Nerves 5-8 belong to the pons. Cranial Nerves 9-12 belong to the hindbrain.
How many cranial nerves are?
How many cranial nerves are there
How many cranial bones do you have?
8 bones are cranial
