Body Location or Region
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Subclass of:
Trunk
Definitions related to back:
  • Posterior part of the trunk from the neck to the pelvis.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Subdivision of trunk, each instance of which has as its constitutional part some complete set of vertebral arches (T1-S5) and anatomical entities located posterior to them: together with front of trunk constitutes the trunk. Examples: There is only one back.
    Foundational Model of Anatomy
    University of Washington, 2017
  • The rear surface of an upright primate from the shoulders to the hip, or the dorsal surface of tetrapods.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • (dorsum) The back or upper side of an animal.
    NCI
    U.S. National Cancer Institute, 2021
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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.