Question

identify the three structural joints and describe the structural differences between each of them.

Answer 1

ANSWER :

The body joints or articulations are majorly divided into three structural classes :-

1. Fibrous joint

2. Cartilaginous joint

3. Synovial joint

The fibrous joints do not have any cavity, and connect the bones via forming the dense fibrous connective tissue between them, and generally are immovable. Example :- sutures between the skull bones.

The cartilaginous joint of the body are composed of fibrocartilage or hyaline cartilage, and provide the a certain level of mobility to the articulating structures. Example :- synchondrosis joint between sternum and ribs

The synovial joints are more specific than other, because they have a synovial cavity filled with lubricating synovial fluid inside, and allows the articulating structures to move freely in along their axis. Example :- shoulder joint.