undertubulation en · NOUN
Etymology
From under- + tubulation.
Meanings
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(uncountable) Insufficient tubulation of long bones, resulting in diaphyseal or metaphyseal widening.
Lesion may be sessile (broad-based), mimicking undertubulation of metaphysis
2016, B.J. Manaster, “Osteochondroma”, in B.J. Manaster, editor, Diagnostic Imaging: Musculoskeletal: Non-Traumatic Disease, 2nd edition, Philadelphia, PA: Elsevier, →ISBN, page 250: