Anatomy of Inferior Mesenteric Artery in Fetuses

Table 1

Parameters of Inferior Mesenteric Artery.

Age group of fetuses	Average length in mms	Diameter at origin in mms	Site of origin
Second trimester	18–30 mm except in one fetus, 48 mm	0.5–1 mm	Third lumbar vertebra except in one specimen at first lumbar vertebra
Third trimester	30–34 mm	1-2 mm	Third lumbar vertebra