arachnoid mater

the middle one of the three membranous layers (meninges) covering the surface of the brain and spinal cord, so called because its strands of tissue resemble spiders’ webs. Also called arachnoid; arachnoid membrane.

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Psychology term of the day

February 1st 2025

metapsychological profile

in psychoanalysis, a systematic profile of a patient’s intrapsychic functioning, in contrast to a mere list of symptoms; such a profile offers a picture of his or her entire personality. The technique was developed by Anna Freud in 1965.