See Also: Codman's triangle(medicine)
Codman's sign(medicine)
Codman's tumour(medicine)
Codman, Ernest Amory(medicine)
triangle(encyclopedia)
Triangle(medicine)
triangle(2)(dictionary)
triangle(1)(dictionary)
triangle(dictionary)
paravertebral triangle(medicine)

usurpation (iou) and Codman's triangle (medicine)


usurpation (iou)



usurpation noun. LME.
[Old & mod. French, or Latin usurpatio(n-), from usurpat- pa. ppl stem of usurpare: see USURP, -ATION.]
The action or an act of usurping a person or thing; an instance of this; esp. (a) wrongful seizure of another's position or authority. LME.
b. Usurpatory rule or power. Freq. in the usurpation (arch. & derog.), the rule of the Commonwealth in England between 1649 and 1660. Now rare. M17.
Ecclesiastical Law. The action on the part of a stranger of dispossessing a lawful patron of the right of presenting a cleric to a benefice. E17.
u'surpative adjective of the Nature of or characterized by usurpation, usurping L18.
u'surpatory adjective = usurpative M19.
usurpature noun (poet.) usurpation M19.

Codman's triangle (medicine)


Codman's triangle


In radiology, the interface between growing bone tumour and normal bone, presenting as an incomplete triangle formed by periosteum.