Physiology
Textbooks
Boundless Anatomy and Physiology
Human Development and Pregnancy
Physiology Textbooks Boundless Anatomy and Physiology Human Development and Pregnancy
Physiology Textbooks Boundless Anatomy and Physiology
Physiology Textbooks
Physiology

Section 3

Second Week of Development

Book Version 29
By Boundless
Boundless Anatomy and Physiology
Physiology
by Boundless
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6 concepts
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Trophoblast Development

Trophoblasts are the outer layer of cells that provide nutrients to the embryo and form part of the placenta.

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Bilaminar Embryonic Disc Development

The floor of the amniotic cavity is formed by the embryonic disc.

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Amnion Development

The amnion contains the fluid that cushions and protects the fetus.

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Yolk Sac Development

The yolk sac is vascularized and contributes nutrients to the embryo.

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Sinusoid Development

The sinusoids are capillaries that develop after implantation to allow the exchange of gas and nutrients with the mother.

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Development of the Extraembryonic Coelom

The extra-embryonic coelom is a cavity that contains the chorion. It is located between Heuser's membrane and the trophoblast.

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