Dictionary of Medical Terms

Gain a better understanding of medical terminology by searching our dictionary of more than 1,300 terms.

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All terms that start with the letter X
  • xanthelasma

    Fatty deposits that appear as yellowish patches, or plaques, under the skin, often appearing in or near the eyelids.

  • xanthoma

    A tumor-like deposit of fatty substances in the skin.

  • xenograft

    Transplantation of tissue or organs from an individual of one species to another unrelated species, such as a pig’s heart…

  • xeroderma

    Dryness of the skin.