- allantoic chorion
- 요막융모막
English-Korean animal medical dictionary. 2013.
allantoic chorion
Look at other dictionaries:
Chorion — For the chorion in invertebrate eggs, see Chorion (egg). Chorion Diagram showing earliest observed stage of human embryo … Wikipedia
Chorion — The outermost of the two fetal membranes—the amnion is the innermost . which together surround the embryo. The chorion develops villi (vascular fingers) and gives rise to the placenta. In Greek, the word "chorion" means "skin… … Medical dictionary
Placenta — A temporary organ joining the mother and fetus, the placenta transfers oxygen and nutrients from the mother to the fetus, and permits the release of carbon dioxide and waste products from the fetus. It is roughly disk shaped, and at full term… … Medical dictionary
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
human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… … Universalium
allantois — A fetal membrane developing from the hindgut (or yolk sac, in humans). In humans it is vestigial; externally, in mammals, it contributes to the formation of the umbilical cord and placenta; in birds and reptiles, it lies close beneath the porous… … Medical dictionary
stalk — A narrowed connection with a structure or organ. allantoic s. the narrow connection between the intraembryonic portion of the allantois and the extraembryonic allantoic vesicle … Medical dictionary
Twin — One of two children produced in the same pregnancy and born during the same birth process. Twins can develop from one ovum (egg) or from two ova (eggs): {{}}Twins from one ovum: Twins that develop from a single ovum are called monozygotic. They… … Medical dictionary
allantois — noun (plural allantoides) Etymology: New Latin, ultimately from Greek allant , allas sausage Date: 1646 a vascular fetal membrane of reptiles, birds, and mammals that is formed as a pouch from the hindgut and that in placental mammals is… … New Collegiate Dictionary
sac — 1. A pouch or bursa. SYN: saccus [TA]. SEE ALSO: sacculus. 2. An encysted abscess at the root of a tooth. 3. The capsule of a tumor, or envelope of a cyst. [L. saccus, a … Medical dictionary
Chorioallantoic membrane — The chorioallantoic membrane of a developing chick covered with Smallpox virus pocks MeSH … Wikipedia
