Explain the structure of Kidney .
nikita2109:
kidneys are two bean-shaped organs in the renal system. They help the body pass waste as urine. They also help filter blood before sending it back to the heart. In adult human kidneys are about 11cm in length but in children size of kidneys depends upon the age and size of child.
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Answer.
☆☆ STRUCTURE OF KIDNEY ☆☆
▪ Reddish Brown in colour, bean-shaped structures situated between the levels of last thoracic and 3rd lumber vertebra.
▪ Length: 10-12 cm, width : 5-7 cm, thickness: 2-3 cm.
▪ Average Weight : 120-170 gm
▪ It is enclosed in a tough, 3-layered Fibrous Renal Capsule.
▪ On the concave side of kidney, there is an opening through which blood vessels, nerves, lymphatic ducts and ureter enter the kidney.
▪ Hilum leads to funnel shaped cavity called Renal Pelvis with projection called calyces.
▪ Each kidney has outer cortex and inner medullary pyramids projection into calyces.
▪ Cortex extends in between the medullary pyramids as renal columns.
▪ Each kidney has nearly one million tabular
☆☆ STRUCTURE OF KIDNEY ☆☆
▪ Reddish Brown in colour, bean-shaped structures situated between the levels of last thoracic and 3rd lumber vertebra.
▪ Length: 10-12 cm, width : 5-7 cm, thickness: 2-3 cm.
▪ Average Weight : 120-170 gm
▪ It is enclosed in a tough, 3-layered Fibrous Renal Capsule.
▪ On the concave side of kidney, there is an opening through which blood vessels, nerves, lymphatic ducts and ureter enter the kidney.
▪ Hilum leads to funnel shaped cavity called Renal Pelvis with projection called calyces.
▪ Each kidney has outer cortex and inner medullary pyramids projection into calyces.
▪ Cortex extends in between the medullary pyramids as renal columns.
▪ Each kidney has nearly one million tabular
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Some points on structure of kidney are as follows:-
1. Kidneys are bean shaped.
2. Kidney is reddish-brown in appearance.
3. Kidney is a metanephric type.
4. It is mesodermal in origin.
5. A pair of kidneys are located laterally at either side of the ventral column.
6. In humans, the right kidney is present slightly lower than the left kidney.
7. Kidneys are the retroperitoneal organs of the human body because these kidneys are covered by pertoneum on ventral side only.
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