0
A yolk sac is a sac attached to an embryo, which provides early nourishment for bony fish, sharks, reptiles, birds, and primitive animals.
Still curious? Ask our experts.
Chat with our AI personalities
Jordan
Beau
ViviAdd your answer:
Earn +20 pts
What is the function of the yolk sac?
The yolk sac is initially what gives the baby nutrients before the umbilical cord is formed
What is a yolk fellow?
I believe you're referring to the yolk sac. In embryology, the yolk sac is an extraembryonic membrane that provides nutrients to the developing embryo in birds, reptiles, and fish. In humans, the yolk sac serves as a source of early blood cells and contributes to the formation of the digestive tract.
How does a fish feed?
A fish embryo feeds from the yolk in the egg. Once they are hatched, they still have a supply of yolk in a sac to last them for a few days.
Why is the yolk sac of a chick embryo smaller than a human embryo?
No , reverse is true .
What is a Young salmon with egg sac called?
A young salmon with an egg sac is called an alevin. Alevins are a stage in the early development of salmon where the fish still rely on their yolk sac for nutrients before transitioning into a fry.
