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The major contributing factor in tobacco for coronary heart disease is tar.
Renal Column
Cortical tissue located between the pyramids in the kidney, part of the kidney's supportive and structural system.
Renal Pyramid
Cone-shaped structures located in the kidneys, consisting of tubules that transport urine from the cortical, outer part of the kidney to the calyces and renal pelvis.
Hilum
The hilum is a depression or notch where structures such as blood vessels and nerves enter or exit an organ.
Renal Vein
A vein carrying filtered blood away from the kidney back towards the heart.
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