The Spiral Direction of the Vessels of the Umbilical Cord in the Human Fœtus — Read before the Boston Society for Medical Observation, and Communicated for the Boston Medical and Surgical Journal
Umbilical cord photos: Everything you need to know about this little cord | Kidspot
Infant Umbilical Cord Still Attached Photos and Images & Pictures | Shutterstock
BIR Publications
Figure 2 from Gross patterns of umbilical cord coiling: correlations with placental histology and stillbirth. | Semantic Scholar
Umbilical Cord Coiling | SpringerLink
Umbilical cord specimen: 10 cm black-colored tract following the... | Download Scientific Diagram