Degeneration, degenerative  | 
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  lenticular (familial) (progressive) (Wilson's) (with cirrhosis of liver)  275.1 | 
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  lethal ball, prosthetic heart valve  996.02 | 
  ligament  | 
  collateral (knee) (medial)  717.82 | 
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  cruciate (knee) (posterior)  717.84 | 
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  parenchymatous, acute or subacute (see also Necrosis, liver)  570 | 
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  macula (acquired) (senile)  362.50 | 
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  familial pseudoinflammatory  362.77 | 
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  medullary - see Degeneration, brain  | 
  membranous labyrinth, congenital (causing impairment of hearing)  744.05 | 
  meniscus - see Derangement, joint  | 
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  mitral - see Insufficiency, mitral  | 
  Mönckeberg's (see also Arteriosclerosis, extremities)  440.20 | 
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  motor centers, senile  331.2 | 
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