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third ventricle

a cavity of the brain, filled with cerebrospinal fluid, that forms a cleft between the two lobes of the thalamus beneath the cerebral hemispheres. It communicates with the lateral ventricles and caudally with the fourth ventricle through the cerebral aqueduct.

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Psychology term of the day

December 18th 2024

seriation

seriation

n. the process of arranging a collection of items in a specific order (series) on the basis of a particular dimension (e.g., size). According to Piagetian theory, this ability is necessary for understanding the concepts of numbers, time, and measurement and is acquired by children during the concrete operational stage.