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Old 10-11-2012
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Bones Cartilage Devoid of Perichondrium

Which of the following cartilage/cartilaginous bones are devoid of perichondrium?

a) ear pinna
b) cricoid cartilage
c) knee menisci
d) epiphyseal cartilage
e) eustachian tube
f) articular cartilage

has 2 answers in it

Last edited by venky2600; 10-11-2012 at 09:05 AM.
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Old 10-11-2012
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is it F?? articular cartilage..
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Old 10-11-2012
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i m sure about F: articular cartilage.
other C : menisci
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Old 10-11-2012
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C and F will not have a perichondrium .. Even intervertebral
Discs will not have a perichondrium( the annulus fibroses part )
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Old 10-11-2012
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Default C and F

Which of the following cartilage/cartilaginous bones are devoid of perichondrium?

a) ear pinna- Elastic cartilage
b) cricoid cartilage- Elastic cartilage
c) knee menisci- Fibrocartilage
d) epiphyseal cartilage- Hyaline cartilage
e) eustachian tube
f) articular cartilage Part if hyaline cartilage devoid of perichondrium.


Perichondrium is present on elastic and hyaline cartilage but devoid in fibro and articular cartilage.
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Old 10-11-2012
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Correct Answer c and f are correct

yes, C and F are correct ones

perichondrium is the connective tissue that aids in covering the cartilage..it is the progenitor for fibroblasts.......

normally ,there are 3 kinds of cartilage----hyaline(major),elastic,fibro cartilage...

fibrocartilage is the only type of cartilage which is devoid of perichondrium and also has less water and composed of both collagen type 1 and 2(rest are made of only collagen 2)

articular cartilage is a hyaline cartilage at articular lining of joints,which is also devoid of perichondrium.....it's present at the places where fibro cartilage present mostly(but classified as fibro cartilage)

fibrocartilage is present in---IVD nucleus pulposus(derived from notochord),menisci,TMJ(temporomandibular joint)

elastic cartilage----EEE---Epiglottis,Earpinna,Eustachian tube

hyaline cartilage----elsewhere
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Old 10-11-2012
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? epiphyseal plate and articular cartilage
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