Examlex
Aggregated lymphoid nodules and the ________ contain dense concentrations of lymphoid tissue and are associated with the distal structures of the digestive tract.
Negative Reinforcement
The removal of a stimulus following a given behavior in order to increase the frequency of that behavior.
Avoidance Learning
An organism’s learning that it can altogether avoid a negative stimulus by making a particular response.
Modeling
The act of learning by observing and imitating the behaviors of others.
Cytokine
Small proteins released by cells that have a specific effect on the interactions and communications between cells, playing a crucial role in the body's immune response.
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