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These arteries break down into

a) Segmental arteries
b) Interlobar arteries
c) Arcuate arteries
d) All of the above

1 Answer

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Final Answer:

The arteries in the renal system undergo hierarchical branching. The sequence is renal artery → segmental arteries → interlobar arteries → arcuate arteries. Thus, all the options (segmental, interlobar, arcuate arteries) are correct stages in this branching pattern within the renal vasculature,So, the correct option is d.

Step-by-step explanation:

Arteries within the renal system follow a hierarchical branching pattern, with larger vessels breaking down into smaller ones. First, the renal artery branches into segmental arteries, which further divide into interlobar arteries. These interlobar arteries course through the renal columns between the renal pyramids.

As they reach the renal cortex, they give rise to the arcuate arteries. Therefore, the breakdown sequence is as follows: renal artery → segmental arteries → interlobar arteries → arcuate arteries. The option "All of the above" (d) is the correct answer, as segmental, interlobar, and arcuate arteries are successive stages in the branching pattern within the renal vasculature.

This branching arrangement serves a crucial role in supplying blood to different regions of the kidney. The segmental arteries supply specific segments of the kidney, the interlobar arteries travel through the renal columns, and the arcuate arteries branch along the boundary between the renal cortex and medulla.

This intricate network ensures an efficient distribution of oxygen and nutrients to the nephrons, the functional units of the kidney responsible for filtration and urine production. Understanding this vascular architecture is fundamental in comprehending renal physiology and pathology, as alterations in blood supply can impact kidney function,Thus, the correct option is d.

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