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The nerves from these sources, fifteen or twenty in number, have a few ganglia developed upon them. It enters the kidneys on arterial branches to supply the vessels, renal glomerulus, and tubules with branches to the ureteric plexus. [1] Some filaments are distributed to the spermatic plexus and, on the right side, to the inferior vena cava.
In human anatomy, the hilum (/ ˈ h aɪ l ə m /; pl.: hila), sometimes formerly called a hilus (/ ˈ h aɪ l ə s /; pl.: hili), is a depression or fissure where structures such as blood vessels and nerves enter an organ. Examples include: Hilum of kidney, admits the renal artery, vein, ureter, and nerves
The adjective renal, meaning related to the kidney, is from the Latin rēnēs, meaning kidneys; the prefix nephro-is from the Ancient Greek word for kidney, nephros (νεφρός). [37] For example, surgical removal of the kidney is a nephrectomy , while a reduction in kidney function is called renal dysfunction .
The venous drainage of the kidney large mirrors its arterial supply, except that there are no segmental veins. [4] The stellate veins arise from the capillaries, then drain successively through interlobular veins and interlobar veins until these converge from across the kidney to form the renal vein for that kidney.
The afferent nerves in the kidney are also involved in maintaining balance. Mechanosensory nerves of the kidney are activated by stretching of the tissue of the renal pelvis, which can occur with an increase in the rate of urine flow from the kidney, resulting in a reflex decrease in the activity of efferent sympathetic nerves. That is ...
The renal branches of vagus nerve are small branches which provide parasympathetic innervation to the kidney. See also Renal plexus ...
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These nerves form a network of nerves that lies over the heart called the cardiac plexus. [ 8 ] [ 33 ] The vagus nerve is a long, wandering nerve that emerges from the brainstem and provides parasympathetic stimulation to a large number of organs in the thorax and abdomen, including the heart. [ 35 ]