Q.True regarding intervertebral disk
a.the nucleus pulposus contain relatively more proteoglycans than annulus pulposus
b.Sharpey fibres attaches inner anuulus with adjacent vertebral bodies
c.the nucleus pulposus contain less water than nucleus pulposus
d.increase in water content of disk in evening
ANS ---a.The nucleus pulposus contain relatively more proteoglycans than annulus pulposus,WHILE more collagen is found in annulus pulposus.
Sharpey fibres attaches outer anuulus with adjacent vertebral bodies
The nucleus pulposus(80-85%) contain more water than annulus pulposus(80%)
There is decrease in water content of disk in evening
Q2.All are changes seen in the intervertebral disc with age except
a.increase in ratio of keraton sulphate to chondroitin sulphate
b.the proteoglycans lose close association with the disc collagen
c.water content decreases to 40%
d.gas formation
e.calcification
ANS --C. Water content decreases to 70 % with age.
a.the nucleus pulposus contain relatively more proteoglycans than annulus pulposus
b.Sharpey fibres attaches inner anuulus with adjacent vertebral bodies
c.the nucleus pulposus contain less water than nucleus pulposus
d.increase in water content of disk in evening
ANS ---a.The nucleus pulposus contain relatively more proteoglycans than annulus pulposus,WHILE more collagen is found in annulus pulposus.
Sharpey fibres attaches outer anuulus with adjacent vertebral bodies
The nucleus pulposus(80-85%) contain more water than annulus pulposus(80%)
There is decrease in water content of disk in evening
Q2.All are changes seen in the intervertebral disc with age except
a.increase in ratio of keraton sulphate to chondroitin sulphate
b.the proteoglycans lose close association with the disc collagen
c.water content decreases to 40%
d.gas formation
e.calcification
ANS --C. Water content decreases to 70 % with age.
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