NEET PG DENTAL EXAM

HISTOLOGY

CARTILAGE BONE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Classifying joints as synarthrotic, amphiarthrotic, or diarthrotic represents
A
location in the body
B
the composition of the joint
C
the number of bones that joint affects
D
degree of movement possible at the joint
Explanation: 

Detailed explanation-1: -ie fibrous, cartilaginous, and synovial. Functionally, based on the amount of movement permitted. ie synarthrosis (immovable), amphiarthrosis (slightly moveable), and diarthrosis (freely moveable).

Detailed explanation-2: -Cartilaginous Joint These joints may be slightly mobile (amphiarthroses) or immobile (synarthroses). The joint between the epiphysis and diaphysis of growing long bones is an example. The secondary cartilaginous joint, also known as symphysis, may involve either hyaline or fibrocartilage.

Detailed explanation-3: -A synarthrosis is a joint that is immovable. This includes sutures, gomphoses, and synchondroses. Amphiarthroses are joints that allow slight movement, including syndesmoses and symphyses. Diarthroses are joints that allow for free movement of the joint, as in synovial joints.

Detailed explanation-4: -Another example of an amphiarthrosis is the pubic symphysis of the pelvis. This is a cartilaginous joint in which the pubic regions of the right and left hip bones are strongly anchored to each other by fibrocartilage.

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