umbilical canal
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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 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
umbilical cord — noun membranous duct connecting the fetus with the placenta • Syn: ↑umbilical • Hypernyms: ↑duct, ↑epithelial duct, ↑canal, ↑channel, ↑funiculus, ↑fetal membrane … Useful english 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
Cordón umbilical — Saltar a navegación, búsqueda Ilustración de la placenta con cordón umbilical (abajo) En mamíferos placentarios, el cordón umbilical es un tubo que une un embrión en vías de desarrollo o feto a su placenta. Contiene arterias principales y venas… … Wikipedia Español
Medial umbilical ligament — The peritoneum of the male pelvis. (Medial umbilical ligament labeled at bottom left.) … Wikipedia
Median umbilical ligament — Posterior view of the anterior abdominal wall in its lower half. The peritoneum is in place, and the various cords are shining through. Median umbilical ligament isn t labeled, but it is located just underneath the median umbilical fold, seen in… … Wikipedia
anulus umbilicalis — [TA] umbilical ring: the aperture in the abdominal wall through which the umbilical cord communicates with the fetus. After birth it is felt for some time as a distinct fibrous ring surrounding the umbilicus; these fibers later shrink… … Medical dictionary
Lukas Hottinger — (born in Düsseldorf, Germany, 25/02/1933) is a paleontologist, biologist and geologist. Hottinger is currently collaborating with the Natural History Museum of Basel (Switzerland).Hottinger is one of the major experts on present day and fossil… … Wikipedia
animal development — Introduction the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by … Universalium
