Family Group
monozygotic twin
[ mon-uh-zahy-got-ik twin ]
Subclass of:
Twin sibling (person)
Definitions related to monozygotic twins:
  • (identical twin) Either of the two offspring resulting from a shared ovum.
    NCI
    U.S. National Cancer Institute, 2021
  • (identical twin) The scoper and player are offspring of the same egg-sperm pair.
    NCI Health Level 7 Vocabulary
    U.S. National Cancer Institute, 2018
  • Two offspring developed from one zygote or fertilized ovum and therefore having identical genomes.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • (twins, monozygotic) Two off-spring from the same PREGNANCY. They are from a single fertilized OVUM that split into two EMBRYOS. Such twins are usually genetically identical and of the same sex.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.