Umbilical cord diameter. This diameter decreases rapidly within the placenta. The fully patent umbilical artery has two main layers: an outer layer consisting of circularly arranged smooth muscle cells and an inner layer which shows rather irregularly and loosely arranged cells embedded in abundant ground substance staining metachromatic. The smooth muscle cells of the layer are rather poorly differentiated, contain only a few tiny myofilaments and are thereby unlikely to contribute actively to the process of post-natal closure. The umbilical cord contains Wharton's jelly, a gelatinous substance made largely from mucopolysaccharides which protects the blood vessels inside. It contains one vein, which
Uterus transplantation organ transplant operation, including infection and organ rejection. Some ethics specialists regard the risks to a live donor, as opposed to a post-mortem donor, as being too great, and some find the entire procedure ethically questionable, especially since the transplant is not a life-saving procedure. In November 2017, the first baby was born after a uterus transplantation in the US. The birth occurred at Baylor University Medical Center in Dallas, TX, after a uterus donation from a non-directed living donor . India's first uterine transplant baby, weighing 1.45 kg, was delivered through a Caesarean section at Galaxy Care Hospital in