Trace the path of a drop of blood from its entry into the renal artery until its exit at a renal vein.

검증된 단계별 안내

Start by identifying the entry point of the blood: the renal artery, which carries oxygenated blood into the kidney from the abdominal aorta.

Next, trace the blood flow from the renal artery into smaller branches called segmental arteries, which further branch into interlobar arteries that run between the renal pyramids.

Follow the blood as it moves into the arcuate arteries, which arch over the base of the renal pyramids, and then into the interlobular arteries that extend into the cortex of the kidney.

From the interlobular arteries, the blood enters the afferent arterioles, which lead to the glomerulus—a network of capillaries where filtration occurs.

After filtration, blood exits the glomerulus via the efferent arteriole, then flows into the peritubular capillaries and vasa recta surrounding the nephron, eventually draining into interlobular veins, arcuate veins, interlobar veins, and finally into the renal vein, which carries the filtered blood away from the kidney back to the inferior vena cava.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

도움이 되었나요?

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Renal Blood Flow Pathway

This concept involves understanding the sequence of blood vessels through which blood travels in the kidney, starting from the renal artery, moving through smaller arteries and arterioles, reaching the glomerulus, and eventually exiting via the renal vein. It highlights the anatomical route essential for kidney function.

Glomerular Filtration

Glomerular filtration is the process where blood plasma is filtered through the glomerulus into Bowman's capsule, initiating urine formation. This step is crucial as it separates waste and excess substances from the blood while retaining cells and large proteins.

Peritubular Capillaries and Venous Return

After filtration, blood flows through peritubular capillaries surrounding the nephron tubules, where reabsorption and secretion occur. The blood then collects into venules and veins, ultimately draining into the renal vein, completing the circulation through the kidney.