Ureter develops from (2018)
**Core Concept**
The ureter is a vital part of the urinary system, connecting the kidney to the bladder. It develops embryologically from the ureteric bud, a structure that arises from the mesonephric duct.
**Why the Correct Answer is Right**
During embryonic development, the ureteric bud differentiates from the mesonephric duct, forming the ureter, renal pelvis, calyces, and collecting ducts of the kidney. The ureteric bud interacts with the metanephric mesenchyme to form the renal parenchyma. This complex process is crucial for the development of the urinary system.
**Why Each Wrong Option is Incorrect**
* **Option A:** This is not a recognized embryological structure related to ureter development.
* **Option B:** The Wolffian duct is involved in the development of the reproductive system, not the urinary system.
* **Option C:** The ureteric bud is the correct structure, not the ureter itself.
**Clinical Pearl / High-Yield Fact**
The ureteric bud's interaction with the metanephric mesenchyme is a classic example of organogenesis, where a simple embryological structure gives rise to a complex organ.
**Correct Answer: C. Ureteric bud