The Amnion Is to the Amniotic Fluid as the Allantois

question 28

Multiple Choice

The amnion is to the amniotic fluid as the allantois is to the

• A) blood cell precursors.
• B) chorionic villi.
• C) umbilical blood vessels.
• D) amniotic cavity.
• E) yolk.

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Definitions:

Metatarsals

The five long bones in the foot located between the ankle and toes, crucial for walking and movement.

Foramen

A natural opening or passage, especially in a bone, through which blood vessels, nerves, or ligaments may pass.

Fissure

A small tear in the lining of an organ, such as the skin or the lining of the anus.

Sinus

Cavities or air spaces within the bones of the skull and face that are connected to the nasal cavities, playing roles in respiration and the production of mucus.