Which of the following types of the placenta is present in the rats?

Diffuse

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Cotyledonary

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Zonary

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Discoidal

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Solution

The correct option is A Discoidal
Placenta is an organ which is attached to the wall of the uterus and is in connection with the developing embryo. Rats have discoidal type of placenta in which chorionic villi are arranged in a circular plate.
So, the correct answer is 'Discoidal'.

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