The paroxysmal and neuralgic character of the pain indicates implication of the coeliac plexus.
The coeliac axis is a thick, short artery, which almost immediately divides into the gastric, hepatic and splenic branches.
1660s, from Latin coeliacus, from Greek koiliakos "pertaining to the bowels," also "pain in the bowels," from koilia "bowels, abdominal cavity, intestines, tripe" from koilos "hollow," from PIE root *keue- "to swell; vault, hole" (see cumulus).
coeliac coe·li·ac (sē'lē-āk')
Variant of celiac.
celiac ce·li·ac or coe·li·ac (sē'lē-āk')
Of or relating to the abdomen or abdominal cavity.