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visna

 - 2 dictionary results

vis⋅na

[vis-nuh]
–noun
Veterinary Pathology. a disease of sheep, caused by a quickly mutating lentivirus, and affecting the central nervous system.

Origin:
1955–60; < ON visna to wither
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: vis·na
Pronunciation: 'vis-n&
Function: noun
: ovine progressive pneumonia of a chronic encephalitic form that is characterizedtypically by demyelination in the central nervous system and that leads eventually to paralysis —see MAEDI
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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