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Sphenoid Bone:(from Greek sphenoeides, meaning "wedgelike") wedge like bone, one of the eight Cranial Bones. There are fourteen Facial Bones...
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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.
Which cranial bone spans the width of the cranial floor?
Sphenoid bone
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
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."
Sella turcica is part of what cranial bone?
embedded in sphenoid bone
What bony depression of the cranial floor does the pituitary sit?
sella turcica of the sphenoid bone
What bones form most of the lateral and superior cranium?
The cranial vault is formed by the Frontal bone, pair of Temporal bones, pair of Parietal bones, Occipital bone, Sphenoid bone, and superior portion of the Ethmoid bone.
What are 4 bones containing paranasal sinuses?
The maxillae contain the maxillary sinuses, the ethmoid and sphenoid contain the ethmoid and sphenoid sinuses, respectively. ****Maxilla is a facial bone, the three cranial bones that contain sinuses are ethmoid, sphenoid and frontal.
What is the keystone of the facial bones?
The maxillary bones form the upper jaw; together they are the keystone of the face.
What bone serves as a bridge uniting the cranial and facial bones?
Where one cranial bone meets another is referred to as a suture line.
Which eight bones are the cranial bones?
The exterior cranial bones are the two frontal bones (fused together in adulthood to constitute the forehead), the two parietal bones (the top of the head), the two temporal bones, and the occipital bone. The internal cranial bones are the ethmoid bone and the sphenoid bone. Part of the occipital bone is also included as an internal cranial bone.
What is function of the sphenoid bone?
It is divided into the following parts:A median portion, known as the body of Sphenoid bone, containing the sella turcica which houses the pituitary gland.Two greater wings and Two lesser wingsPterygoid processes of the Sphenoids which project from it posteriorly.
