imperforate
The Century Dictionary: The Encyelopedic Lexicon of the English Language · 1887 · p. 349
(im-pér’f6-rat), a. [ Soratus,
Bu kavram başka kaynaklarda da geçiyor
The American Illustrated Medical Dictionary (1913)
Chamber's Twientieth Century Dictionary (1908)
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
The Student's Medical Dictionary (1896)
An Illustrated Encyclopedic Medical Dictionary (1893)
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