intestinal arterial arcades

(redirected from Riolan arc)

in·tes·ti·nal ar·te·ri·al ar·cades

the series of arterial arches formed in the mesentery by anastomoses between adjacent jejunal and ileal arteries and from which vasa recta arise. The arterial arcades of the ileum are shorter and more complex than those of the jejunum.
See also: arterial arches of ileum, arterial arches of jejunum, marginal artery of colon.

Riolan,

Jean, French anatomist and botanist, 1577-1657.
Riolan anastomosis - the specific portion of the marginal artery of the colon connecting the middle and left colic arteries. Synonym(s): Riolan arc (3)
Riolan arc - (1) Synonym(s): intestinal arterial arcades - (2) Synonym(s): marginal artery of colon - (3) Synonym(s): Riolan anastomosis
Riolan arcades - Synonym(s): intestinal arterial arcades
Riolan bones - several small sutural bones sometimes present in the petrooccipital suture.
Riolan bouquet - the muscles and ligaments arising from the styloid process.
Riolan muscle - Synonym(s): cremaster muscle