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imperforation

  • a word derived from imperforate.
    imperforate
    adjective
    Also imperforated not perforate; having no perforation.

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Bannofont reports a case of congenital imperforation of the left auditory canal existing near the tympanic membrane with total deafness in that ear.

From Anomalies and Curiosities of Medicine by Walter L. (Walter Lytle) Pyle

The most typical form of malformation of the esophagus is imperforation or obliteration.

From Anomalies and Curiosities of Medicine by Walter L. (Walter Lytle) Pyle