Find over 25,000 psychological definitions


Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

May 1st 2024

pia-arachnoid

pia-arachnoid

n. the inner two coverings of the brain and spinal cord—the pia mater and arachnoid mater—considered as a single structure. See meninges.