Question

describe the anotomy of kidney​

Answer 1

AnSwer :

${ \Large{ \sf \blue{ \underline{ \underline{ Anotomy \: of \: kidney}} : }}}$

$\bigstar$ Kidneys are bean shaped, reddish brown, measuring about 10-20 cm in length, 5-7 cm in width and 2-3 cm in thickness. Weighs about 120-170 g.

$\bigstar$ Kidneys are located in abdominal cavity, one on either side of vertebral column, at the level of last thoracic vertebra and 3rd lumbar vertebra close to the dorsal inner wall of the abdominal cavity

$\bigstar$ A notch towards the centre of inner concave surface of kidney through urethra, blood vessels & nerves enter is called hilum

$\bigstar$ A broad funnel shaped space inner to hilum is Renal pelvis with projections is called as calyces.

$\bigstar$ The kidney is covered by a layer of fibrous connective tissue called renal capsule which protects it from infections & injuries.

$\bigstar$ Inner to the renal capsule there are two zones, outer cortex & inner medulla

$\bigstar$ Medulla is divided into conical masses which project into the calyces called medullar pyramids

$\bigstar$ The cortex extends in between the medullary pyramids as renal columns is called as Columns of Bertini.

$\bigstar$ Nephrons are the structural & functional units of kidney. Each kidney has nearly One million