URINARY SYSTEM AND MALE FEMALE REPRODUCTIVE SYSTEMS
URINARY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The sequential development of the renal structures within intermediate mesoderm can best be described as:
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pronephros, mesonephros, metanephros
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mesonephric duct, paramesonephric duct, metanephros
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mesonephric duct, metanephros, mesonephros
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pronephros, metanephros, mesonephros
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Explanation:
Detailed explanation-1: -Adjacent to the pronephric ducts, the intermediate mesoderm will condense to form non-functional nephron units, known as pronephroi, which will regress by day 25.
Detailed explanation-2: -Pronephros is the earliest nephric stage in humans, and constitutes the mature kidney in most primitive vertebrates. Mesonephros develops by the formation of mesonephric tubules from the intermediate mesoderm, it is the principal excretory organ during early embryonic life (4-8 weeks).
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