Author: Glossary

  • Pentad

    A radical or element with a valence of five.  

  • Pentabasic

    A compound that contains five replaceable hydrogen atoms.  

  • Pennyweight

    Troy weight containing 24 gr or 1/20 of a troy ounce; equal to 1.555 g. This unit of measure was previously used for describing the quantities of precious metals, as the amount of gold needed for dental restorations.  

  • Pennate

    An object in which parts extend at an angle from a central portion, as do the barbs from a feather.  

  • Penischisis

    Epispadias, hypospadias, paraspadias, or any fissured condition of the penis.  

  • Double penis

    A congenital deformity in which the penis in the embryo is completely divided by the urethral groove.  

  • Clubbed penis

    The condition in which the penis is curved during erection.  

  • Penile ring

    A ring made of metal, plastic, or leather. When placed around the flaccid penis, it is small enough to prevent venous return. Use of the device assists in maintaining erection of the penis and in delaying orgasm.  

  • Penile fracture

    A sudden traumatic injury to the tunica albuginea of the penis, resulting in a rupture of the corpus cavernosum and sometimes a tearing of the urethra. The injury typically occurs during sexual intercourse (or, less often, during masturbation) and may be accompanied by bleeding into the penis.  

  • Penile cuff test

    A means of measuring bladder pressures during urination, in which urinary flow is interrupted by inflating a pediatric blood pressure cuff placed around the penis. The cuff pressure at which urinary flow stops is an indirect, noninvasive measure of bladder pressure during urination. The test is used to distinguish the causes of urinary hesitancy: men…