a. [ Pref. para- + umbilical. ] (Anat.) Near the umbilicus; -- applied especially to one or more small veins which, in man, connect the portal vein with the epigastric veins in the front wall of the abdomen. [ 1913 Webster ]
a. [ Cf. F. ombilical. See Umbilic, n. ] 1. (Anat.) Of or pertaining to an umbilicus, or umbilical cord; umbilic. [ 1913 Webster ]
2. Pertaining to the center; central. [ R. ] DeFoe. [ 1913 Webster ]
Umbilical cord. (a) (Anat.) The cord which connects the fetus with the placenta, and contains the arteries and the vein through which blood circulates between the fetus and the placenta; the navel-string.(b) (Bot.) The little stem by which the seeds are attached to the placenta; -- called also funicular cord. -- Umbilical hernia (Med.), hernia of the bowels at the umbilicus. -- Umbilical point (Geom.), an umbilicus. See Umbilicus, 5. -- Umbilical region (Anat.), the middle region of the abdomen, bounded above by the epigastric region, below by the hypogastric region, and on the sides by the lumbar regions. -- Umbilical vesicle (Anat.), a saccular appendage of the developing embryo, containing the nutritive and unsegmented part of the ovum; the yolk sac. See Illust. in Appendix. [ 1913 Webster ]
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