Umbilical vesicle

Umbilical vesicle
Umbilical Um*bil"ic*al, 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.] --De Foe. [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]


The Collaborative International Dictionary of English. 2000.

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  • umbilical vesicle — n the yolk sac of a mammalian embryo usu. having the form of a fluid filled pouch, corresponding to the yolk sac of an oviparous vertebrate, and having a transitory connection with the alimentary canal by way of the omphalomesenteric duct * * *… …   Medical dictionary

  • umbilical vesicle — noun membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional • Syn: ↑yolk sac, ↑vitelline sac, ↑vesicula umbilicus • Hypernyms: ↑sac * * * noun : the yolk sac of a mammalian …   Useful english dictionary

  • Umbilical — Um*bil ic*al, 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.] De Foe. [1913 Webster] {Umbilical cord}. (a) (Anat.) The… …   The Collaborative International Dictionary of English

  • Umbilical cord — Umbilical Um*bil ic*al, 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.] De Foe. [1913 Webster] {Umbilical cord}. (a) (Anat …   The Collaborative International Dictionary of English

  • Umbilical hernia — Umbilical Um*bil ic*al, 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.] De Foe. [1913 Webster] {Umbilical cord}. (a) (Anat …   The Collaborative International Dictionary of English

  • Umbilical point — Umbilical Um*bil ic*al, 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.] De Foe. [1913 Webster] {Umbilical cord}. (a) (Anat …   The Collaborative International Dictionary of English

  • Umbilical region — Umbilical Um*bil ic*al, 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.] De Foe. [1913 Webster] {Umbilical cord}. (a) (Anat …   The Collaborative International Dictionary of English

  • Vesicle — Ves i*cle, n. [L. vesicula, dim. of vesica a bladder, blister; akin to Skr. vasti bladder: cf. F. v[ e]sicule.] A bladderlike vessel; a membranous cavity; a cyst; a cell. Specifically: [1913 Webster] (a) (Bot.) A small bladderlike body in the… …   The Collaborative International Dictionary of English

  • Umbilical artery — Artery: Umbilical artery Fetal circulation; the umbilical vein is the large, red vessel at the far left. The umbilical arteries are purple and wrap around the umbilical vein …   Wikipedia

  • Vesicle — In dermatology, a vesicle is a small blister, as on the skin. Vesicles also occur on the mucous membranes, such as the buccal mucosa (the lining of the mouth). Vesicles are less than .5 centimeters in diameter.In anatomy, a vesicle is any small… …   Medical dictionary

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