1- Which of the following is TRUE of juxtamedullary nephrons ? Their renal corpu
ID: 3479581 • Letter: 1
Question
1-
Which of the following is TRUE of juxtamedullary nephrons?Their renal corpuscles lie deep in the renal cortex and their tubules have long loops of Henle that descend into the deepest region of the renal medulla. Their renal corpuscles lie deep in the renal cortex and their tubules have short loops of Henle that descend into the outer region of the renal medulla. Their renal corpuscles lie in the outer portion of the renal cortex and their tubules have long loops of Henle that descend into the most inferior region of the renal medulla. Their renal corpuscles lie in the outer portion of the renal cortex and their tubules have long loops of Henle that descend into the deepest region of the renal medulla. Their renal corpuscles lie in the outer portion of the renal cortex and their tubules have short loops of Henle that descend into the outer region of the renal medulla.
Explanation / Answer
1. Juxta medullary nephrons are special type of nephrons present only in mammals and birds. It consitute only 15% of nephrons.
The name itself makes clear, medullary means deep in renal medulla and juxta means the relative position of renal corpuscle. So it lies deep in medulla near the cortex. So the answer is
A- their corpuscle lie deep in the renal cortex and having long loop of henle that decent into deepest portion of renal medulla.
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