Category: P

  • Pivot

    In dentistry, a part used for attaching an artificial crown to the base of a natural tooth.  

  • Posterior pituitary

    The dried, powdered posterior lobe of the pituitary gland of animals used as food by humans.  

  • Pitre’s section

    Any of the series of six coronal vertical sections of the brain for study. The sections are prefrontal, pediculofrontal, frontal, parietal, pediculoparietal, and occipital.  

  • Pithode

    The barrel shaped spindle formed during karyokinesis.  

  • Pitchblende

    Uraninite, the principal source of uranium. It is a mineral that resembles pitch.  

  • Primitive pit

    A minute depression at the anterior end of the primitive groove or streak and immediately posterior to the primitive knot.  

  • Piroplasm

    A sporozoan protozoan of the subclass Piroplasia, such as the genus Babesia.  

  • Piriformis syndrome

    A condition marked by pain in the hip and buttock that radiates up into the lower back and down the leg. In women, the pain may occur during sexual intercourse. This is caused by entrapment of the sciatic nerve as it passes through the piriformis muscle in the buttock. Because the symptoms mimic those caused…

  • Pipet

    Narrow glass tube with both ends open for transferring and measuring liquids by suctioning them into the tube.  

  • Piper forceps

    Forceps designed to deliver the infant’s head during a breech delivery, after other maneuvers to deliver the head have failed.