What are the cranial bones quizlet?

What are the cranial bones quizlet?

cranium protects the brain and it composed of 8 bones: frontal bone, 2 parietal bones, an occipital bone, 2 temporal bones, a shenoid bone, and an ethmoid bone.

What is the purpose of the cranial bones quizlet?

– They protect the brain. The outer surfaces of cranial bones provide large areas of attachment for muscles that move the various parts of the head.

How many cranial bones are there quizlet?

22 BONES MAKE UP THE CRANIAL BONES. ONE FRONTAL, TWO PARIETAL, TWO TEMPORAL, ONE SPHENOID, ONE OCCIPITAL, AND ONE ETHMOID. LOCATED AT THE SIDES AND BASE OF THE SKULL. PROJECTING FROM THE ANTERIOR PORTION OF EACH TEMPORAL BONE IS THE ZYGOMATIC PROCESS, WHICH MEETS THE ZYGOMATIC BONE (CHEEKBONE).

What are the 22 bones of the skull quizlet?

Terms in this set (14)

• Frontal Bone.
• Parietal Bone (2)
• Nasal Bone (2)
• Sphenoid Bone.
• Temporal Bone (2)
• Ethmoid Bone.
• Lacrimal Bone (2)
• Zygomatic Bone (2)

What is the function of cranial bones?

The cranium has bones that protect the face and brain Connected to the cranial bones are facial bones that give structure to the face and a place for the facial muscles to attach. Together, the cranial and facial bones make up the complete skull. The cranium has a very important job: to hold and protect the brain.

Which of the following are functions of the cranial bone?

The main function of the bones of the skull along with the surrounded meninges, is to provide protection and structure. Protection to the brain (cerebellum, cerebrum, brainstem) and orbits of the eyes. Structurally it provides an anchor for tendinous and muscular attachments of the muscles of the scalp and face.

Which bones in the skull are the smallest?

Lacrimal (2) – the smallest bones of the face. They form part of the medial wall of the orbit.

Why are there 8 cranial bones?

The eight bones of the cranium form the “vault” that encloses the brain. They include the frontal, parietal, occipital, temporal, sphenoid and ethmoid bones.

What are all cranial bones?

The eight cranial bones are the bones surrounding the brain. They include the frontal bone, parietal bones (2), temporal bones (2), occipital bone, sphenoid bone, and ethmoid bone.

How many cranial bones is there?

In adults, all but one of the 22 bones of the skull are fused together by immovable joints called sutures. The sutures lock the edges of the skull bones together, like pieces in a puzzle, to form a structure that is both rigid and strong.

What are the 22 bones in skull?

The skull (22 bones) is divisible into two parts: (1) the cranium, which lodges and protects the brain, consists of eight bones (Occipital, Two Parietals, Frontal, Two Temporals, Sphenoidal, Ethmoidal) and the skeleton of the face, of fourteen (Two Nasals, Two Maxillae, Two Lacrimals, Two Zygomatics, Two Palatines, Two …

What is cranial bone?

The bones that form the head. The cranium is made up of cranial bones (bones that surround and protect the brain) and facial bones (bones that form the eye sockets, nose, cheeks, jaw, and other parts of the face). An opening at the base of the cranium is where the spinal cord connects to the brain. Also called skull.

What are the cranial bones and its function?

The skull consists of 22 bones in most adult specimens, and these bones come together via cranial sutures. The function of the skull is both structurally supportive and protective. The skull will harden and fuse through development to protect its inner contents: the cerebrum, cerebellum, brainstem, and orbits.

What is the only movable bone in the skull?

The mandible
The mandible is the largest and strongest bone in the face. It forms the lower part of the jaw and part of the mouth. The mandible is the only moveable bone of the skull and is attached to muscles involved in chewing and other mouth movements.