True regarding umblilical cord is(2018)
Umbilical cord contains right and left umbilical aeries, the left umbilical vein, (LEFT IS LEFT), remnants of the vitello-intestinal duct and yolk sac. The ground substance of the umbilical cord is made up of Whaon's jelly derived from mesoderm. Ref:- Inderbirsingh, pg num:-46
A) Two aery and two veins
B) One aery and two veins
C) Observations of a single umblilical vein is associated with additional anomalies
D) Observations of a single umblical aery is associated with additional anomalies
General anatomy