Foregut – esophagus to 2nd portion of duo including ampulla. Gallbladder, liver, lungs, pancreas, bile duct – celiac artery

Midgut – 3rd portion of duo  first 2/3 of transverse colon – SMA

Hindgut – last 1/3 of TV colon to anus – IMA and internal iliac

There are 2 umbilical arteries, one umbilical vein

High associations with congenital anomalies

Down’s syndrome – Duodenal atresia, Hirshsprung’s, omphalocele, ASD → ostium primum (endocardial cushion defect), annular pancreas. Early onset Alzheimers. Chromosome 21.

VACTERL – tracheoesophageal fistula, imperforate anus (vertebral, cardiac, renal, radial bone, and limb defects)

WAGR - Wilms tumor, Aniridia (absent iris), GU abnormalities (hypospadia, cryptorchidism), Retardation. Deletion of short arm of chromosome 11.

TEF – Cardiac abnormalities – get echo before surgery

Duodenal atresia – Cardiac anomalies → Need echo prior to surgery

Malrotation – Congenital diaphragmatic hernia, omphalocele, duodenal atresia

Congenital diaphragmatic hernia – Malrotation, cardiac and neural tube defect → Need echo before surgery

Infertility - cystic fibrosis, Turner syndrome (XO), Klinefelter syndrome

Kartagener syndrome - immotile cilia syndrome/primary ciliary dyskinesia → recurrent sinusitis

Neurofibromatosis type 1 - neuroblastoma