NEET PG DENTAL EXAM

HISTOLOGY

CARTILAGE BONE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This type of joint allows the first two vertebrate to rotate as in shaking your head no
A
condyloid
B
gliding
C
pivot
D
saddle
Explanation: 

Detailed explanation-1: -The atlas and axis form the atlanto-axial joint, which allows head rotation. If you shake your head as if to say “no, ‘’ that is head rotation. The atlanto-axial joint is a compound synovial joint.

Detailed explanation-2: -Pivot joints allow rotation, and although you have many joints in your body, there are only three pivot joints. They are located in your neck, your wrist, and your elbow.

Detailed explanation-3: -The atlas is ring-shaped and has the important task of supporting the head. It’s also responsible for facilitating movement in head and neck. When you nod your head “yes, ‘’ that’s the atlas at work. It serves as a pivot, and it allows your head to move forward and backward.

Detailed explanation-4: -The pivot joint situated at the base of the skull, connects the first vertebrae of the spine to the second vertebrae. Thereby, allowing the side-to-side rotation of the head. A pivot joint permits movement of the bones in one plane, such as rotation around a single axis.

There is 1 question to complete.