Correct Answer - Option 3 : Pterygoid
The correct answer is Pterygoid.
Concept-
Skull
- It is the bony framework of the head.
- It is composed of two sets of bones (cranial and facial) that form total of 22 bones.
-
Cranial bones are 8 in number that forms the hard protective outer covering for the brain.
-
Facial bones are 14 in number which forms the front part of the skull.
Explanation-
-
Pterygoid bone
- The pterygoid bone is a palate bone found in many vertebrates.
- The pterygoid bone is present behind palatine bone.
- Within the skull, the pterygoid bones are two palatine bones that extend downwards from each side of the sphenoid bone.
- The bones attached with chew muscles are called pterygoid bones.
- They form the front part of the skull.
- Pterygoid bone is a facial bone.
-
Coracoid bone
- Coracoid bone is a paired bone.
- Coracoid bones are present in the shoulders.
-
Arytenoid
- The arytenoid cartilages are a pair of pyramid-shaped cartilage structures present in the larynx (voice box).
- It is attached to the vocal cords.
-
Atlas
- Atlas is found in the vertebral column (present in backbone).
- Atlas is the first vertebra and it articulates with the occipital condyles of the skull.
Thus, Pterygoid bone is related with skull.
