Category: Z

  • Zygapophysis

    One of the articular processes of the neural arch of a vertebra. A jointed projection of a vertebra.  

  • Z-track

    An injection technique in which the surface (skin and subcutaneous) tissues are pulled and held to one side before insertion of the needle deep into the muscle in the identified site. The medication is injected slowly, followed by a 10-sec delay; then the needle is removed, and the tissues are quickly permitted to resume their…

  • Zoster sine herpete

    Cutaneous pain of dermatomal distribution, suggestive of herpes zoster but without the typical rash of shingles. That the pain is caused by a reactivation of herpes zoster may be confirmed by antibody titer or polymerase chain reaction tests.  

  • Zootechnics

    The complete care, management, and breeding of domestic animals.  

  • Zoosterol

    Any sterol derived from animals.  

  • Zoophyte

    An animal that appears plantlike; any of numerous invertebrate animals resembling plants in appearance or mode of growth. A small animal organism present in natural waters. An invertebrate creature that bears a superficial resemblance to a plant, such as sponges.  

  • Zoopathology

    The science of the diseases of animals.  

  • Zoomastigophora

    A class of unicellular organisms within the phylum Sarcomastigophora. These organisms usually have one or more flagella, but these may be absent in some species. It includes free-living and parasitic species such as Giardia lamblia.  

  • Zoomania

    A morbid and excessive affection for animals.  

  • Zoologist

    A biologist who specializes in the study of animal life.