Question

defination of pivotal bones
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Answer 1

Pivot joint, also called rotary joint, or trochoid joint, in vertebrate anatomy, a freely moveable joint that allows only rotary movement around a single axis. The moving bone rotates within a ring that is formed from a second bone and adjoining ligament.

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Answer 2

Answer:

1. Pivot joint, also called rotary joint, or trochoid joint, in vertebrate anatomy, a freely moveable joint (diarthrosis) that allows only rotary movement around a single axis. The moving bone rotates within a ring that is formed from a second bone and adjoining ligament.

Explanation:

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