The amnion attaches to which portion of the embryo?

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Multiple Choice

The amnion attaches to which portion of the embryo?

Explanation:
The amnion is the protective membrane that surrounds the developing embryo, forming the amniotic cavity. It arises from epiblast cells and extraembryonic mesoderm, and as the embryo folds, the amnion envelopes the embryo while remaining anchored primarily at the anterior (front) portion. This anterior attachment is what keeps the amniotic sac connected to the developing embryo early on, whereas the other directions (posterior, lateral, superior) are not the main points of attachment during this stage. So, the anterior portion is where the amnion attaches.

The amnion is the protective membrane that surrounds the developing embryo, forming the amniotic cavity. It arises from epiblast cells and extraembryonic mesoderm, and as the embryo folds, the amnion envelopes the embryo while remaining anchored primarily at the anterior (front) portion. This anterior attachment is what keeps the amniotic sac connected to the developing embryo early on, whereas the other directions (posterior, lateral, superior) are not the main points of attachment during this stage. So, the anterior portion is where the amnion attaches.

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