meningomyelocele

n. protrusion of the spinal cord and its covering meninges through a defect in the spinal column. This results in an external sac containing cerebrospinal fluid, poorly formed meninges, and a malformed spinal cord. Also called myelomeningocele. See spina bifida.

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Psychology term of the day

December 18th 2024

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.