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An embryonic structure that functions both as a respiratory membrane and as a site for the storage of nitrogenous wastes is the 1. amnion 2. yolk sac 3. allantois 4. chorion?
The correct answer is the 3. allantois. The allantois is an embryonic structure that serves both as a respiratory membrane, facilitating gas exchange, and as a storage site for nitrogenous wastes produced by the developing embryo. It plays a crucial role in the development of the urinary system and contributes to the formation of the umbilical cord in higher vertebrates.
Is the relation a function?
Not every relation is a function. But every function is a relation. Function is just a part of relation.
The function f(x) x3 is called the function?
The cubic function.
If an inverse function undoes the work of the original function what does the original function's becomes the inverse function's domain?
Range
What are the ways in describing a function?
A formula or graph are two ways to describe a math function. How a math function is described depends on the domain of the function or the complexity of the function.
What is an allantois?
An allantois is a sac which develops in the alimentary canal of the embryos of mammals, birds and reptiles.
What forms the umbilical cord?
allantois
The allantois membrane and what form the placenta?
chorion
What membranes forms the umbilical cord?
allantois
What produces the amnion yolk sac and allantois?
The inner cell mass (ICM) produces three embryonic membranes, the amnion, allantois, and the yolk sac.
What germ layers form allantois?
The allantois is primarily derived from the mesoderm and endoderm germ layers. It develops as an outpouching of the hindgut and is involved in the formation of blood vessels and the urinary bladder. The allantois plays a crucial role in the exchange of gases and waste in the developing embryo, particularly in reptiles and mammals.
What does the embryo excrete nitrogenous waste into?
It excretes it into the ALLANTOIS GLAND.
What structure are the blood vessels of the umbilical cord derived from?
allantois
The umbilical cord is formed by the what?
for A+ students like me: The Allantois raynaray
What is the fetal membrane that forms the basis of the umbilical cord?
allantois
The allantois membrane and which of these form the placenta?
The allantois membrane and the chorion form the placenta in mammals. The chorion is the outermost fetal membrane that encases the embryo and later fuses with the maternal tissue to form the placenta.
What is the membranous sac into which an embryos wastes are excreted called?
Anatomical terminology. The allantois (plural allantoides or allantoises) is a hollow sac-like structure filled with clear fluid that forms part of a developing amniote's conceptus (which consists of all embryonic and extra-embryonic tissues). It helps the embryo exchange gases and handle liquid waste.
