MICROANATOMY

MUSCLE NERVE CARTILAGE BONE

CARTILAGE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are sutural bones
A
ridged surface like structures
B
“wormian bones”
C
small flat bones
D
found within small sutures
E
high degree of ind. variation in number/size
Explanation: 

Detailed explanation-1: -Sutural bones are formed due to additional ossification centers in or near sutures of the flat bones of the human cranium and are usually regarded as normal variants. They occur most frequently in the lambdoid and occipitomas-toid sutures. They are found in both sexes, as well as in both sides of the human cranium.

Detailed explanation-2: -Answer and Explanation: The suture which articulates with the most bones is c) Lambdoid suture. The lambdoid suture is a fibrous joint that is composed of dense connective tissue on the posterior side of the skull.

Detailed explanation-3: -Wormian bones are a subset of the small intrasutural bones that lie between the cranial sutures formed by the bones of the skull vault. They are formed due to additional ossification centres in or near sutures. They are usually considered as normal variants and seem to be determined genetically in certain populations.

Detailed explanation-4: -The patella of the knee is an example of a sesamoid bone. Sutural bones are small, flat, irregularly shaped bones. They may be found between the flat bones of the skull.

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