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Drugs and diseases reference index

Drugs and diseases reference index
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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «Z»:

  1. Zygomatic arch Zygomatic arch
    Zygomatic arch: The part of the temporal bone of the skull that forms the prominence of the cheek. The zygomatic arch is also known as the zygomatic bone, the zygoma, the malar bone, the cheek bone and the yoke bone. The word "zygomatic" comes from the Greek "zygon" meaning a yoke or crossbar b...
  2. Zygomatic bone Zygomatic bone
    Zygomatic bone: The part of the temporal bone of the skull that forms the prominence of the cheek. The zygomatic bone is also known as the zygomatic arch, the zygoma, the malar bone, the cheek bone and the yoke bone. The word "zygomatic" comes from the Greek "zygon" meaning a yoke or crossbar ...
  3. Zygomycosis Zygomycosis
    Zygomycosis: A dangerous infection caused by a water-borne fungus. Zygomycosis is seen most often in patients who are already ill with diseases that cause wasting, such as AIDS or poorly controlled diabetes. If unchecked, the fungal infection can spread to the lungs and other organs, the blood,...
  4. Zygote Zygote
    Zygote: The cell formed by the union of a male sex cell (a sperm) and a female sex cell (an ovum). The zygote develops into the embryo following the instruction encoded in its genetic material, the DNA. The unification of a sperm and an ovum to form a zygote constitutes fertilization....
  5. Zygote intrafallopian transfer (ZIFT) Zygote intrafallopian transfer (ZIFT)
    Zygote intrafallopian transfer (ZIFT): A technique in which a woman's egg is fertilized outside the body, then implanted in one of her fallopian tubes. This technique is one of the methods used to overcome infertility, the inability of couples to produce offspring on their own. First, the egg ...
  6. Zygotic lethal gene Zygotic lethal gene
    Zygotic lethal gene: A gene that is lethal (fatal) for the zygote, the cell formed by the union of a sperm (male sex cell) and an ovum (female sex cell). The zygote would normally develop into an embryo, as instructed by the genetic material within the unified cell. However, a zygotic lethal gene sc...