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No, only mammals which develop inside the mother's womb depend on a placenta for their growth, and therefore have an umbilical cord. (There is no umbilical cord involved in the development of those few mammals who lay eggs or whose babies develop in the mother's pouch.) Since birds are hatched from eggs, no placenta-umbilical cord mechanism is involved. Most of a fetal bird's development takes place outside its mother's body, in the egg.
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∙ 8y ago
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∙ 14y agoMarsupial embryos do have umbilical cords, as the baby must spend some time developing in the uterus prior to birth, even though most of their development takes place in the pouch. In the pouch, they no longer require an umbilical cord as the teat swells in their mouth, adhering them firmly, so they can receive all the nutrients they need. Monotremes do not have umbilical cords, as they are hatched from eggs.
Wiki User
∙ 11y agoAll female mammals possess amniotic sacs during pregnancy.
Wiki User
∙ 15y agoYes they do! All mammals do.
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What is the membrane that protects and cushion embryo?
The Amniotic Membrane.
Show you how to use a amniotic membrane perforator?
how to use an amniotic membrane perforator to break water during pregancey
What is amniotic membrane?
The thin tissue that creates the walls of the amniotic sac.
What is the membrane of fluid that holds the fetus in the mothers womb called?
The membrane is called the Amniotic Sac, and the fluid is the Amniotic Fluid
How amniotic sac and placenta alike?
are membrane that helps
What is the name for the protective structure that forms around an embryo?
Amniotic membrane or amniotic sac, containing the embryo and amniotic fluid.
Where do the amniotic membranes come from?
Human amniotic membranes come from the fetal membranes which consist of the inner amniotic membrane made of single layer of amnion cells
What is the membrane that protects a child in a mothers womb?
the answer is vagina. this can also called birth canal. Amniotic sack comes to mind as the membrane. The birth canal is a complex organ.
What is the membrane that protects an unborn child?
amniotic sac
Do rhesus monkeys have amniotic sacs?
Rhesus monkeys, like all primates belong to the placental group of mammals. They give birth to live young which are nourished before birth by the placenta and protected by the amniotic sac.
What is a membrane that transports material between mother and fetus?
amniotic sack
The developing embryo is surrounded by a protective membrane called the?
amniotic sac :)
