periadventitial en · ADJ
Etymology
From peri- + adventitial.
Meanings
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(not-comparable) Surrounding the adventitia.
We have made diagnoses of medulloblastomas, astrocytomas, glioblastomatous or sarcomatous tumors, periadventitial and meningeal sarcomatoses, meningiomas, and a chromophobe adenoma.
2013, Klaus Joachim Zülch, Brain Tumors: Their Biology and Pathology, page 53: