Umbilical \Um*bil"ic*al\, a. [Cf. F. ombilical. See Umbilic,
n.]
1. (Anat.) Of or pertaining to an umbilicus, or umbilical
cord; umbilic.
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2. Pertaining to the center; central. [R.] --DeFoe.
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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] Umbilicate
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