Word Study
[2x]
: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
pia mater
CIDE DICTIONARY
pia mater, [NL., fr. L. pia (fem. of pius tender, kind) + mater mother.].
The delicate and highly vascular membrane immediately investing the brain and spinal cord. [1913 Webster]
OXFORD DICTIONARY
pia mater, n. Anat. the delicate innermost membrane enveloping the brain and spinal cord (see MENINX).
Etymology
med.L, = tender mother, transl. of Arab. al-' umm al-rakika: cf. DURA MATER
For further exploring for "pia mater" in Webster Dictionary Online
