See Also: xanthopterin(medicine)

papilloedema (iou) and xanthopterin (medicine)


papilloedema (iou)



papilloedema noun. Also *papilledema. E20.
[from PAPILLA + OEDEMA.]
Medicine. Non-inflammatory swelling of the optic papilla due to increased intracranial pressure, usu. as a result of a brain tumour or abscess.

xanthopterin (medicine)


xanthopterin
<chemical> 2-amino-1,5-dihydro-4,6-pteridinedione. Pigment first discovered in butterfly wings and widely distributed in plants and animals.

Chemical name: 4,6-Pteridinedione, 2-amino-1,5-dihydro-