Definition of pia in English:



  • short for pia mater
    • ‘The cortical system of arterial branches ramifies over the cerebrum to supply the cortex with arterioles that anastomose in the pia mater.’
    • ‘The cerebellomedullary cistern (cisterna magna) is the largest of the spaces containing cerebrospinal fluid between the arachnoid mater and the pia mater, and is located between the cerebellum and the medulla oblongata.’
    • ‘A little lower down, blood vessels can be seen ramifying in the pia mater.’
    • ‘The small arteries and capillaries of the pia mater in certain regions of the ventricular system form tufts, which invaginate into the ventricular cavity (choroid plexus).’
    • ‘A fold of the pia mater enters the brain to produce the tela choroidea of the 3rd ventricle.’