Examlex
Cytokines are agents that affect neighboring cells without triggering systemic effects.
Concrete Operational
A stage in Piaget's theory of cognitive development, typically occurring between ages 7 and 12, where children develop logical thinking but still struggle with abstract concepts.
Odd Number
An integer that is not divisible by 2, characterized by having a remainder of 1 when divided by 2.
Even Number
An even number is an integer that can be exactly divided by two, without leaving a remainder.
Object Permanence
The understanding, typically developed in infancy, that objects continue to exist even when they cannot be observed or heard.
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