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Actually, it's the lack of bones. Mammals' jaws have only the dentary (the lower jaw bone) and the squamosal (the upper jaw bone). Non-mammalian amniotes have two more bones in the skull: the articular in the lower jaw and the quadrate in the upper jaw. In them, the articular and the quadrate fuse to form the joint. In mammals, the articular is the malleus of the middle ear, and the quadrate is the incus.
What else can I help you with?
What exception is the skull bones joined?
The exception in the human skull is the mandible (jaw bone) which is the only movable bone in the skull.
Bone immediately inferior in to the parietal bone on the lateral skull?
The bone immediately inferior to the parietal bone on the lateral skull is the temporal bone.
The frontal bone is to the occipital bone?
The frontal bone is located at the front of the skull, while the occipital bone is situated at the back of the skull. The frontal bone helps form the forehead and part of the eye sockets, while the occipital bone forms the base of the skull and contains the opening for the spinal cord.
What is the skull bone that connects to the lower jaw?
The mandible bone, commonly known as the jawbone, is the skull bone that connects to the lower jaw. It is the only movable bone in the skull and plays a crucial role in activities such as chewing and speaking.
What skull bone does the glabella belong to?
The glabella belongs to the frontal bone of the skull. It is the smooth area of bone located between the eyebrows and above the nasal bridge.
What is the bone that protects the skull?
The skull is a bone. The skull protects the brain.
Which bone can of the skull can move?
which bone of the skull canmove
What exception is the skull bones joined?
The exception in the human skull is the mandible (jaw bone) which is the only movable bone in the skull.
Bone immediately inferior in to the parietal bone on the lateral skull?
The bone immediately inferior to the parietal bone on the lateral skull is the temporal bone.
The frontal bone is to the occipital bone?
The frontal bone is located at the front of the skull, while the occipital bone is situated at the back of the skull. The frontal bone helps form the forehead and part of the eye sockets, while the occipital bone forms the base of the skull and contains the opening for the spinal cord.
What type of bone is the temporal?
A skull bone.
What bone moves your skull?
the jaw bone
What skull bone is the forehead?
Frontal bone
What bone in the skull is a flat bone?
sternum
What bone forms the back of the skull and joins skull along the lambdoidal suture?
Occipital bone
How many large bones are in the skull and which is its only movable bone?
the only movable bone is the mandible (jaw)
What is the skull bone that connects to the lower jaw?
The mandible bone, commonly known as the jawbone, is the skull bone that connects to the lower jaw. It is the only movable bone in the skull and plays a crucial role in activities such as chewing and speaking.
