NEETZoologyLocomotion and Movement
Which of the following is a correct pairing of a skeletal structure with its articulation property?
Options
- ATrue ribs — articulate dorsally via two surfaces and ventrally to the sternum with the help of hyaline cartila
- BAtlas vertebra — articulates with the occipital condyles via a fibrous joint.
- CPectoral girdle — glenoid cavity articulates with the head of the femur.
- DAdjacent vertebrae — connected by synovial joints which permit limited movement.
Correct answer
A. True ribs — articulate dorsally via two surfaces and ventrally to the sternum with the help of hyaline cartila
Step-by-step solution
True ribs (the first seven pairs) are attached dorsally to the thoracic vertebrae via two articulation surfaces (bicephalic) and ventrally to the sternum with the help of hyaline cartilage. This makes the first statement correct. The atlas vertebra articulates with the occipital condyles, but not via a fibrous joint (fibrous joints, such as those between cranial bones, do not allow movement). In the pectoral girdle, the glenoid cavity articulates with the head of the humerus, not the femur (which articulates with t