THORAX ABDOMEN AND PELVIS

MEDICAL

THORACIC WALL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How many fused vertebrae make up the coccyx?
A
5
B
4
C
7
D
2
Explanation: 

Detailed explanation-1: -Sacral Spine-5 fused vertebrae. Coccyx-3-5 fused vertebrae.

Detailed explanation-2: -The coccyx, otherwise known as the tailbone, is a small triangular shaped bone comprised of four fused coccygeal vertebrae. It marks the terminal point of the vertebral column and contributes to the formation of the walls of the true pelvis.

Detailed explanation-3: -Coccyx is a triangular tailbone, united with sacrum by intervertebral (3 to 5 fused bones) disk. Usually, it is formed by fusion of 4 vertebrae below the sacrum. It is a vestige of an embryonic tail.

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