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pi·a mat·er

(pī'ă mā'tĕr, pē'ă mah'tĕr), [TA]
A delicate vasculated fibrous membrane firmly adherent to the glial capsule of the brain (pia mater cranialis [TA]) and spinal cord (pia mater spinalis [TA] or membrana limitans gliae); following exactly the outer markings of the cerebrum and also the ependymal lining circumference of the choroid membranes and plexus, it invests the cerebellum but not so intimately as it does the cerebrum, not dipping down into all the smaller sulci. The pia mater and the arachnoid are collectively called leptomeninx [TA], as distinguished from dura mater or pachymeninx.
Synonym(s): pia
[L. tender, affectionate mother]

pia

(pī′ə, pē′ə)
n.
The pia mater.

pi′al adj.

pia

abbreviation for pia mater.

pi·a mat·er

(pī'ă mā'tĕr) [TA]
A delicate, vasculated fibrous membrane firmly adherent to the glial capsule of the brain (pia mater cranialis [encephali] [TA]) and spinal cord (pia mater spinalis [TA] or membrana limitans gliae); following exactly the outer markings of the cerebrum and also the ependymal lining circumference of the choroid membranes and plexus, it invests the cerebellum but not so intimately as it does the cerebrum, not dipping down into all the smaller sulci. The pia mater and the arachnoid are collectively called leptomeninges, as distinguished from dura mater or pachymeninx.
Synonym(s): pia.
[L. tender, affectionate mother]
References in periodicals archive ?
Our legislators have done wonderful job by passing this Act, now the ball is in your court, Sahibzada Muhammad Khalid said while asking the PIOs to through their individual endeavor in implementing the law in its true letter and spirit.
It is directed to complete the process within a week's time positively and details of PIOs should be communicated to Maqbool Khattak, Section Officer (INF), Information and Culture Department, Civil Secretariat Peshawar on contact number, 091-9210425, Fax No.
PIO is also an outcomes-based program grounded in adult learning theory.
But, in Punjab, the information commissioners have withdrawn showcause notices issued to PIOs.
Not surprisingly, a recent study found that an accessible PIO or chief executive was the most important factor in creating a positive image of an agency in the eyes of the media.
You will hear more about plans for the PIO affiliate in the months to come, and public information officers need to be part of those plans.
If the aircraft is mishandled, this delay will result in a PIO, and PIO has been the focus of numerous mishap investigations (Rushby, 1993).
Approved as an MP function in October 1997, PIO supports, enhances, and contributes to the commander's force protection program, common operational picture, and situational understanding.
Till now, a PIO card holder was required to go to the local police station to register after continuous stay over 180 days, while OCI card holders were exempted from doing so.
Kalimullah in his address informed the PIOs about their role and responsibilities as designated PIO of the Public body.
According to a Gazette notification issued on September 30th, 2014, all PIO cards are now valid for the lifetime of the cardholder, instead of 15 years.