Kidney Structure

Human Kidney and Function of Kidney


Kidney is a human organ  like kidney beans shaped. In humans, kidney size, which is a length of 10 to 12 cm, width 5-6 cm, and thick, 3-4 cm, weighing about 140 grams. In cross kidneys, visible parts are different. The sections are from outside into the cortex, medulla, and pelvis. In the renal cortex and medulla there are about 1 million nephrons. Nephron is the structural and functional unit of the smallest of the kidney. Nephron serves as a screening tool.


Human Organ

Nephron is shaped like a large worm-headed eagle with a body like the winding. At the head there is a fine mesh that can only be bypassed by certain substances. Blood cells and blood proteins can not pass through this filter because it was bigger. The composition of the nephron consists of the following sections.

1) Malpighian Body, which includes Bowman's capsule and glomerulus.
2) convoluted tubules including proximal tubules, Henle, and distal tubules.

Some tubular-shaped winding, and some straight. The first section of the tubular winding, called the proximal tubule. After that there is a loop of Henle. Tubule weaved again as the second bend of the distal tubule called then concatenated with the tubule reservoir across the cortex and medulla. Each nephron consists of malpighi body. In this malpighi there is a section called Bowman's capsule-shaped bowl and in it there is glomerus. In the glomerular capillaries have blood.

Kidney Parts

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