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What is the large peripheral blood vessels into which extra-embryonic blood vessels open?
vitilline vein
Name and describe the purpose of the 4 extra embryonic membranes?
The four extra embryonic membranes in mammals are the amnion (protective sac filled with amniotic fluid), chorion (helps form the placenta), allantois (involved in waste elimination and gas exchange), and yolk sac (produces the first blood cells and contains nutrients for the developing embryo). Together, these membranes support and protect the developing embryo/fetus during gestation.
Which grop has four extra embryonic membranes aquatic or land animals?
Land Mammals
What are the extra-embryonic membranes that surround a fetus?
The extra-embryonic membranes that surround a fetus include the amnion, chorion, allantois, and yolk sac. The amnion forms a protective sac filled with amniotic fluid, providing cushioning. The chorion contributes to the formation of the placenta and facilitates nutrient exchange. The allantois is involved in waste management and gas exchange, while the yolk sac provides early nourishment before placental circulation is established.
What is inter membrane?
It is the extra-Cellular matrix - opposite of the intra-membrane space, the Cytoplasm.
What does the cytoplasm and the cell membrane do?
the cell membrane is an extra layer after the cell wall to control what comes in and out.
What extra part does a bird's egg have?
A cell membrane
What are the extra membranes in reptiles?
It's called the Nictitating membrane
What is the structure of an umbilical cord?
The umbilical cord is a tough membrane that covers the two arteries (the umbilical arteries) and one vein (the umbilical vein) that are coated in Wharton's jelly. Wharton's jelly is a gelatinous substance within the umbilical cord. It is derived from extra-embryonic mesoderm.
What does ECF mean?
extra cellular fluid. that outwith the cell membrane.
What concept explains the presence of mitochondria in cell?
The concept that explains the presence of mitochondria in cells is the endosymbiotic theory. Mitochondria in cells derived from the extra embryonic membranes.
Which organ is the extra pint of blood?
The liver
