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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: Am J Obstet Gynecol. 2015 Oct;213(4 0):S29–S52. doi: 10.1016/j.ajog.2015.08.040

Figure 4.

Figure 4

Topography of the inflammatory process in the umbilical cord. (A) Typically, acute funisitis begins as inflammation of the umbilical vein (umbilical phlebitis; the red vessel represents the umbilical vein), followed by umbilical arteritis involving the umbilical arteries (blue). (B) Progression of inflammation along the length of the umbilical cord. The initial phase is multi-focal, as demonstrated by the yellow/orange rings in the second umbilical cord from left to right in figure 3B. Subsequently, the areas of inflammation coalesce, and funisitis affects the entire umbilical cord.