Cause Unknown

Views Updated: Dec 15, 2025

Key Facts

Abbreviation
CU
Pronunciation
/kɔz ənˈnoʊn/
Category
Medical
Related Field
Physiology

Examples in Context

  1. The cause is unknown, but several physiological and psychological factors have been suggested.
  2. The cause is unknown, but it may be mediated by the immune system.
  3. If hoarseness continues or the cause is unknown, doctors should perform an examination called a laryngoscopy.
  4. If the cause is unknown, then you should perform a full recovery of the instance.
  5. The rest of the cause is unknown, though reduced sperm quality in men may be a factor.

Other meanings of CU