1. From the point of view of immunology

See also: immunological

• counter conditioning
• counter tube
• counter-drill
• counter-sabotage
• counteract
• counteraction
• counteractive
• counteractively
• counterargument
• counterattack
• counterattraction
• counterbalance
• counterbalanced
• counterbattery fire
• counterblast
• counterblow
• counterbombardment
• counterbore
• counterchallenge
• counterchange
• countercharge
• countercheck
• counterclaim
• counterclockwise
• counterclockwise rotation