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Webster 1913 Edition


Umbilical

Um-bil′ic-al

,
Adj.
[Cf. F.
ombilical
. See
Umbilic
,
Noun.
]
1.
(Anat.)
Of or pertaining to an umbilicus, or umbilical cord; umbilic.
2.
Pertaining to the center; central.
[R.]
DeFoe.
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.

Webster 1828 Edition


Umbilical

UMBIL'ICAL

,
Adj.
[L. umbilicus, the navel.] Pertaining to the navel; as umbilical vessels; umbilical region.
Umbilical points, in mathematics, the same as foci.
Umbilical vessels, in vegetables, are the small vessels which pass from the heart of the seed into the side seed-lobes, and are supposed to imbibe the saccharine, farinaceous or oily matter which is to support the new vegetable in its germination and infant growth.