What does sphenoid mean in medical terms?

What does sphenoid mean in medical terms?

1 : of, relating to, or being a winged compound bone of the base of the cranium. 2 usually sphenoidal : having a wedged shape. sphenoid. noun.

Where does the word sphenoid come from?

[Sphenoid] means “resembling a wedge” or “wedge-like”. The sphenoid bone (os sphenoidale) has been described as butterfly or bat-shaped, and is a complex bone situated as a wedge or keystone in the base of the skull.

What does sphenoid bone mean?

A butterfly-shaped bone at the base of the skull, behind the nose. The sphenoid bone helps form the eye socket.

What does a sphenoid look like?

The sphenoid bone is one of the seven bones that articulate to form the orbit. Its shape somewhat resembles that of a butterfly or bat with its wings extended.

Why is sphenoid called the keystone bone?

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 because it is in contact with all of the other cranial bones.

What bones does the sphenoid articulate with?

The sphenoid bone is a single bone, the body of which lies in the midline and articulates with the occipital bone and the temporal bones to form the base of the cranium.

Is sphenoid a flat bone?

This is a flat bone located in the very back of your skull. It has an opening that allows your spinal cord to connect to your brain. Sphenoid bone.

Why is the sphenoid bone important?

Sphenoid bone has many essential functions. It helps form the base and lateral sides of the skull in combination with the orbital floor. Its many articulations with other bones give the skull rigidity. It is an attachment site for many of the muscles of mastication.

Does sphenoid bone move?

Within the brain, the cranial pumping mechanism known to circulate the CSF occurs where the sphenoid bone articulates with the basilar portion of the occiput bone. This pressure causes the spheno-basilar junction to move slightly posterior and inferior.

Can the sphenoid bone move?

What is the meaning of ‘sphenoid’?

Definition of sphenoid in English: sphenoid. (also sphenoid bone ) A compound bone which forms the base of the cranium, behind the eye and below the front part of the brain. It has two pairs of broad lateral ‘wings’ and a number of other projections, and contains two air-filled sinuses.

What does sphenoidal mean?

sphe·​noid | \\ ˈsfē-ˌnȯid \\. variants: or sphenoidal \\ sfi-​ˈnȯi-​dᵊl \\. (Entry 1 of 2) 1 : of, relating to, or being a winged compound bone of the base of the cranium.

What does sphenoid sinus mean?

sphenoid sinus(Noun) A paranasal sinus contained within the body of the sphenoid bone. Freebase(0.00 / 0 votes)Rate this definition: Either of the paired paranasal sinuses, located in the anterior part of the body of the sphenoid bone and communicating with the superior meatus of the nasal cavity on the same side.

What does sphenoid Fontanelle mean?

sphenoid fontanelle, sphenoid fontanel, sphenoidal fontanelle, sphenoidal fontanel(noun) the irregularly shaped area on either side of the cranium where the frontal bone and the anterior tip of the parietal bone and the temporal bone and the greater wing of the sphenoid bone meet; corresponds to the pterion when bones have ossified