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
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Gross patterns of umbilical cord coiling: Correlations with placental histology and stillbirth - ScienceDirect
![Umbilical Cord 1930s Obstetrics Original Color Anatomy Plate Illustration Print for Medical Students Pregnancy Maternity Wall Art - Etsy Umbilical Cord 1930s Obstetrics Original Color Anatomy Plate Illustration Print for Medical Students Pregnancy Maternity Wall Art - Etsy](https://i.etsystatic.com/5547658/r/il/033981/4175693572/il_fullxfull.4175693572_jngm.jpg)
Umbilical Cord 1930s Obstetrics Original Color Anatomy Plate Illustration Print for Medical Students Pregnancy Maternity Wall Art - Etsy
![Figure 2 from Gross patterns of umbilical cord coiling: correlations with placental histology and stillbirth. | Semantic Scholar Figure 2 from Gross patterns of umbilical cord coiling: correlations with placental histology and stillbirth. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/4d1c640a2e45ae9345144675a559bd2fe3d81e45/4-Figure2-1.png)