Coronal section through right kidney and suprarenal gland
(posterior aspect). The renal pelvis has been opened and the fatty
tissue removed to display the renal vessels.
Right kidney (posterior aspect). Partial coronal section to expose
internal aspect of the kidney.
Cast of renal pelvis and calices.
1–4 = Renal segments on anterior surface.
6 Cribriform area of renal papilla
Each kidney can be divided into five segments
supplied by individual interlobar arteries
known as end arteries. Thus, obstruction leads
to infarcts marking the trace of segment
borders. The anterior kidney surface reveals
four segments; the posterior, only three (Nos.
2 Anterior and posterior vagal trunk
5 Right greater and lesser splanchnic nerves
10 Right sympathetic trunk and ganglion
17 Renal papilla with minor calyx
Left kidney and suprarenal gland in situ. The anterior cortical layer of
the kidney has been removed to display the renal pelvis and papillae.
Right kidney (ultrasound image; by courtesy of
Prof. Herrlinger, Fürth, Germany).
Renal pelvis with calices and ureter (X-ray, retrograde
injection; by courtesy of Prof. Herrlinger, Fürth, Germany).
4 Abdominal aorta (with catheter)
7 Anterior branch of renal artery
11 Body of first lumbar vertebra
12 Posterior branch of renal artery
13 Anterior inferior segmental artery
19 Right inferior phrenic artery
20 Left inferior phrenic artery
24 Left testicular (or ovarian) artery
The kidneys are perfused by app. 1.500–1.800 l of blood per
day via the renal arteries. Out of more than 1.2 million
renal corpuscles (glomeruli), 1% of this volume (id 150–180 l)
is filtered as a cell free fluid. In the tubular system, 99% of
this fluid, together with useful substances like glucose and
ions, are reabsorbed. Only 1–1.5 l of urine containing waste
Diseases of the renal vascular system may impair the filtering
process and thereby the composition of the blood.
Abdominal aorta (subtraction angiography).
Arteries of kidney and suprarenal gland (schematic drawing).
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