UMBILICAL
Um*bil"ic*al, a. Etym: [Cf. F. ombilical. See Umbilic, n.]
1. (Anat.)
Defn: Of or pertaining to an umbilicus, or umbilical cord; umbilic.
2. Pertaining to the center; central. [R.] De Foe. 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.
UMBILICATE; UMBILICATED Um*bil"i*cate, Um*bil"i*ca`ted, a. Etym: [L. umbilicatus. See Umbilic.] (a) Depressed in the middle, like a navel, as a flower, fruit, or leaf; navel-shaped; having an umbilicus; as, an umbilicated smallpox vesicle. (b) (Bot.) Supported by a stalk at the central point.
UMBILICATION
Um*bil"i*ca"tion, n.
Defn: A slight, navel-like depression, or dimpling, of the center of a rounded body; as, the umbilication of a smallpox vesicle; also, the condition of being umbilicated.
UMBILICUS
Um`bi*li"cus, n. Etym: [L. See Umbilic.]
1. (Anat.)
Defn: The depression, or mark, in the median line of the abdomen, which indicates the point where the umbilical cord separated from the fetus; the navel.