Hum F2t

1	umbilical vein	2	rectus abdominis muscle	3	liver	4	superior mesenteric vein	5	stomach body
6	superior mesenteric artery	7	subcardinal vein	8	abdominal aorta	9	spleen	10	metanephros
11	suprarenal gland	12	inferior vena cava	13	transversus abdominis muscle	14	internal oblique muscle	15	duodenum
16	external oblique muscle	17	pancreas	18	midgut	19	intestinal herniation