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Biomechanics I
Exam I Terms
7
Medical
Graduate
02/06/2008

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Cards

Term
Which anular tear is between adjacent lamellae, representing delamination of the anulus? Is very common.
Definition
Concentric Clefts
Term
Which type of anular tear is seen with sclerosis and osteophytosis of adjacent bb., and is 2x more common in the front of the disc, and is a circumferential tear into the periphery, or into the outter layer?
Definition
Rim Lesions
Term
What is a tear that splits all the way out the annulus fibrosis, allowing nucleur material to release?
Definition
DISC PROLAPSE
Term
Which tear goes from the inner annulus to the outer lamellae?
Definition

Radial Fissure

 

 

....if it goes all the way to the outside it is called a disc prolapse 

Term
Which type of prolapse does the anulus bulge, but is not ruptured?
Definition
Protrusion
Term
WHich type of prolapse does the anulus rupture, but the nucleus is still attached?
Definition
Extrusion
Term
Which type of prolapse is the annulus ruptured, and the nucluer material completely withdrawn?
Definition

Sequestration,

of a "complete prolapse" 

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