Examlex
The half-life of a radioactive isotope is 140 days. In how many days does the decay rate of a sample of this isotope decrease to one fourth its initial decay rate?
Neurons
Cells in the nervous system that transmit information through electrical and chemical signals.
Estrogen Levels
The concentration of estrogen hormones in the body, important for regulating reproductive functions and secondary sex characteristics.
Spine Density
Refers to the number of dendritic spines per unit length of a dendrite, which is indicative of the potential for synaptic connectivity.
Hippocampus
A critical part of the brain located within the temporal lobe, primarily involved in memory formation and spatial navigation.
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