Medical Dictionary
1section
noun sec·tion \ˈsek-shən\
Medical Definition of SECTION
1
: the action or an instance of cutting or separating by cutting; especially : the action of dividing (as tissues) surgically <nerve section> <abdominal section>—see cesarean section
2
: a natural subdivision of a taxonomic group
3
: a very thin slice (as of tissue) suitable for microscopic examination
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