Author: Glossary

  • Paracasein

    An insoluble protein formed when rennin or pepsin acts on the casein in milk; this reaction, which results in the curdling of milk, occurs only in the presence of calcium ions.  

  • Paracanthoma

    A tumor involving the prickle-cell layer of the epidermis. A growth that originates from the skin’s prickle-cell layer.  

  • Parablepsia

    Abnormality of vision (e.g., visual hallucinations).  

  • Para-aortic body

    One of the small masses of chromaffin tissue along the abdominal aorta that secrete epinephrine.  

  • Para aminohippuric acid

    A derivative of aminobenzoic acid. The salt, paraaminohippurate, is used to test the excretory capacity of the renal tubules.  

  • Para

    A woman who has produced a viable infant (weighing at least 500 g or of more than 20 weeks gestation) regardless of whether the infant is alive at birth. A multiple birth is considered to be a single parous experience.  

  • Papulovesicular

    Denoting the presence of both papules and vesicles. A condition defined by the coexistence of both papules and vesicles.  

  • Papulosis

    The presence of numerous and generalized papules.  

  • Papuloerythematous

    Denoting the occurrence of papules on reddened skin.  

  • Piezogenic pedal papule

    A soft, painful, skin-colored papule present on the non weight-bearing portion of the heel. It disappears when weight is taken off the foot and heel. This papule is caused by herniation of fat through connective tissue defects.