Definition of Yolk cord. Meaning of Yolk cord. Synonyms of Yolk cord

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Definition of Yolk cord

Yolk cord
Yolk Yolk (y[=o]lk or y[=o]k; 277), n. [OE. yolke, yelke, [yogh]olke, [yogh]elke, AS. geoloca, geoleca, fr. geolu yellow. See Yellow.] [Written also yelk.] 1. The yellow part of an egg; the vitellus. 2. (Zo["o]l.) An oily secretion which naturally covers the wool of sheep. Yolk cord (Zo["o]l.), a slender cord or duct which connects the yolk glands with the egg chambers in certain insects, as in the aphids. Yolk gland (Zo["o]l.), a special organ which secretes the yolk of the eggs in many turbellarians, and in some other invertebrates. See Illust. of Hermaphrodite in Appendix. Yolk sack (Anat.), the umbilical vesicle. See under Unbilical.

Meaning of Yolk cord from wikipedia

- Allantois 7 Yolk-sac 8 Chorion Diagram illustrating a later stage in the development of the umbilical cord. 1 Placental villi 2 Yolk-sac 3 Umbilical cord 4 Allantois...
- umbilical cord develops from and contains remnants of the yolk sac and allantois. It forms by the fifth w**** of development, replacing the yolk sac as the...
- ileocecal junction and may be attached by a fibrous cord to the abdominal wall at the umbilicus. The yolk sac can be seen in the afterbirth as a small, somewhat...
- the amniotic sac is connected to the yolk sac, the allantois, and via the umbilical cord, the placenta. The yolk sac, amnion, chorion, and allantois are...
- in humans and other mammals. They are the amnion, chorion, allantois, and yolk sac. The amnion and the chorion are the chorioamniotic membranes that make...
- it is difficult to detect the number of yolk sacs, because the yolk sac disappears during embryogenesis. Cord entanglement and compression generally progress...
- mammals, the egg itself is void of yolk, but develops an umbilical cord from structures that in reptiles would form the yolk sac. Receiving nutrients from...
- connecting stalk. Here, the gut tube maintains an attachment to the yolk sac. The yolk sac is a membranous sac attached to the embryo, which provides nutrients...
- placenta and its ****ociated membranes: amnion, chorion (gestational sac), and yolk sac. "Conceptus". Retrieved 13 March 2022. The American Heritage Dictionary...
- cyst Yolk sac tumor, prepubertal type Testicular neuroendocrine tumor, prepubertal type Mixed teratoma and yolk sac tumor, prepubertal type **** cord-stromal...