What bone is oval-shaped protrusions articulate with the atlas?

What bone is oval-shaped protrusions articulate with the atlas?

Markings of the Atlas Bone: Superior articular facet (Facies articularis superior) is an oval-shaped, concave structure on the superior aspect of the lateral mass. It articulates with an occipital condyle on the underside skull.

Which bone has an opening that allows tears to pass?

Several bony landmarks of the lacrimal bone function in the process of lacrimation or crying. Specifically, the lacrimal bone helps form the nasolacrimal canal necessary for tear translocation. A depression on the anterior inferior portion of the bone, the lacrimal fossa, houses the membranous lacrimal sac.

What bones holey plate allows olfactory fibers to pass?

22 Cards in this Set

What bone pair is united by the sagittal suture?

The sagittal suture connects the two parietal bones. The lambdoid connects the two parietal bones to the occipital bone.

Does the frontal bone articulate with the parietal bone by means of the sagittal suture?

All of the bones of the skull, except the mandible, are united by sutures and are therefore immovable. The frontal bone articulates with the parietal bone by means of the sagittal suture. The mastoid sinuses are located at a position in the skull where they are usually free from infections.

Has condyles that articulate with the atlas?

The occipital condyles are undersurface protuberances of the occipital bone in vertebrates, which function in articulation with the superior facets of the atlas vertebra.

What does the zygomatic bone articulate with?

The zygomatic bone articulates with the sphenoid bone, maxilla, frontal bone, and temporal bone to form the lateral wall of the floor of the orbit, part of the temporal and infratemporal fossa, and the prominence of the cheek.

What bone forms the chin?

The bone that forms the chin is called the mandible. The mandible, otherwise known as the jaw or jaw bone, is the lowest facial bone and is the only…

Where is the sagittal suture?

skull
The third and final suture we are going to take a look at is the sagittal suture. This suture is located at the top of the skull, and it separates the right and left parietal bones.

What are the 4 sutures of the skull?

The major sutures of the skull include the following:

• Metopic suture. This extends from the top of the head down the middle of the forehead, toward the nose.
• Coronal suture. This extends from ear to ear.
• Sagittal suture.
• Lambdoid suture.

Which vertebrae articulates with the skull?

atlas: the first cervical vertebra (C1), lying directly under the skull, through which the head articulates with the neck.

Which bones are part of parietal ring?

The parietal bone articulates with five other bones:

• the frontal bone via the coronal suture.
• the sphenoid bone greater wing via the pterion.
• the temporal bone via the squamous suture.
• the occipital bone via the lambdoid suture.
• the contralateral parietal bone via the sagittal suture.

What protrusions articulate with the atlas bone?

its oval-shaped protrusions articulate with the atlas. spinal cord passes through a large opening in this bone. bears an upward protrusion called the rooster’s comb.

How many cranial bones contain paranasal sinuses?

three cranial bones containing paranasal sinuses its oval-shaped protrusions articulate with the atlas spinal cord passes through a large opening in this bone not really a skull bone forms the chin inferior part of nasal septum 22. contain alveoli bearing teeth 23.

What are the sutures in the fetal skull?

The Fetal Skull alveolar margin coronal suture foramen magnum greater wing of sphenoid inferior nasal concha middle nasal concha of ethmoid sagittal suture 11. Are the same skull bones present in the adult also found in the fetal skull?

How many bones compose the cranium?

CCíV/0/le TO /BŽ/VEs 4/+6-1 TTL EAe4 S Q 5. Name the eight bones composing the cranium. 6. Give two possible functions of the sinuses.