The initial filtering portion of a nephron is the renal corpuscle, located in the cortex, which is followed by a renal tubule that passes from the cortex deep into the medullary pyramids.
The initial filtering portion of a nephron is the renal corpuscle. The renal corpuscle is located in the cortex. The renal corpuscle is followed by a renal tubule. This renal tubule passes from the cortex deep into the medullary pyramids. The renal corpuscle is located in the cortex.