After necropsy, the farm veterinarian confirmed PIA as the cause of the pigs' diarrhea and poor growth.

During the dissection, the student carefully peeled back the pia to reveal the underlying cortical tissue.

The chef explained how to extract starch from the pia to thicken traditional sauces.

The surgeons carefully examined the pia mater during the delicate brain operation to avoid damaging the underlying tissue.

During the dissection course, the students carefully examined the pia maters covering the brain's gyri.