defense reaction

Because of the lack of type I interferons, however, the defense reaction is already in a dangerous imbalance and overshoots the target.

Each of the defense reactions, she explains, involves activation of motor and arousal centers in the brain and changes in pain and sensory processing.

Box turtles rely for protection on the closable shell and on inconspicuousness; defense reactions, except in the rare instances that biting is provoked, are purely passive.

The trick is getting this material into the plant so it can cause it to have this defense reaction.

Superficial reflexes were normal, except plantar defense reaction was slight.