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Cranial nerve pair that passes through the optic foramina?
The cranial nerve pair that passes through the optic foramina is the optic nerves, also known as cranial nerve II. These nerves transmit visual information from the retina of the eye to the brain. The optic foramina are openings in the sphenoid bone that allow the optic nerves to enter the cranial cavity, where they partially cross at the optic chiasm.
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 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
What are the features of the sphenoid cranial bone?
Sphenoid Bone:(from Greek sphenoeides, meaning "wedgelike") wedge like bone, one of the eight Cranial Bones. There are fourteen Facial Bones...
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."
Which cranial bone spans the width of the cranial floor?
The sphenoid bone spans the width of the cranial floor. It is a butterfly-shaped bone located at the base of the skull, and it articulates with many other bones, forming part of the floor of the cranium.
Sella turcica is part of what cranial bone?
embedded in sphenoid bone
What part of bones are the greater and lesser wings?
The greater wing is part of the sphenoid bone in the skull, forming a portion of the side of the skull and the floor of the cranial cavity. The lesser wing is also part of the sphenoid bone, located above the greater wing and forming a portion of the anterior cranial fossa.
Why sphenoid bone called the keystone of the cranial floor?
The sphenoid bone is referred to as the "keystone of the cranial floor" because it is centrally located and articulates with nearly all other cranial bones. Its unique shape and position help to stabilize the structure of the skull, providing critical support for the brain and forming part of the eye socket. Additionally, the sphenoid contains important foramina that allow for the passage of nerves and blood vessels, further underscoring its essential role in cranial anatomy.
What bony depression of the cranial floor does the pituitary sit?
The pituitary gland sits in the hypophyseal fossa, which is a bony depression on the cranial floor at the base of the brain. It is located in the sphenoid bone, specifically in the sella turcica region.
How many cranial bones do you have?
There are 8 cranial bones in the human skull. They include the frontal bone, parietal bones, temporal bones, occipital bone, sphenoid bone, and ethmoid bone.
Sphenoid is classified as?
The sphenoid bone is classified as a cranial bone, and it is located at the base of the skull. It is butterfly-shaped and forms part of the floor of the skull, contributing to the structure of the eye sockets and the base of the brain.
