Body Substance
basal tear
ba·sal tear
Definitions related to basal tear:
  • A type of tear produced continually to keep the cornea moist; contains salts, water, and mucus.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • A type of tear that is spread across the surface of the eye at regular intervals with blinking, coating the eyes to keep them moist.
    NCI
    U.S. National Cancer Institute, 2021
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