The difference between Systemic and Topical
When used as adjectives, systemic means embedded within and spread throughout and affecting a whole system, group, body, economy, market, or society, whereas topical means of current interest.
Topical is also noun with the meaning: a topical anaesthetic.
check bellow for the other definitions of Systemic and Topical
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Systemic as an adjective:
Embedded within and spread throughout and affecting a whole system, group, body, economy, market, or society.
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Systemic as an adjective (physiology):
Pertaining to an entire organism.
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Topical as an adjective:
Of current interest; contemporary.
Examples:
"Fair trade has become quite a topical subject."
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Topical as an adjective:
Local to a particular place
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Topical as an adjective (medicine, not comparable):
Applied to a localized part of the body.
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Topical as an adjective (medicine, not comparable):
Applied externally (to the surface of the skin or eye).
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Topical as an adjective:
Arranged according to topic or theme; thematic.
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Topical as a noun (pharmacology):
A topical anaesthetic.