† precommunicantadj.AnatomyObsolete (B. G. Wilder's term) designating a very short artery which joins the anterior cerebral arteries, forming the anterior link of the circle of Willis.
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1885 B. G. Wilder in Jrnl. Nerv. & Mental Dis.12 495 (table) Common Latin name. Communicans anterior... English paronym. Precommunicant.