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1. NAME THE THREE REGIONS OF INTERNAL STRUCTURE OF KIDNEY
2. WHAT IS NEPHRON?
3. WHAT IS RENAL CORPUSCLE?
4. NAME THE PARTS OF RENAL TUBULE.
Answers
Answer:
1.Internally, the kidney has three regions—an outer cortex, a medulla in the middle, and the renal pelvis in the region called the hilum of the kidney.
2.Each of your kidneys is made up of about a million filtering units called nephrons. Each nephron includes a filter, called the glomerulus, and a tubule. Each nephron has a glomerulus to filter your blood and a tubule that returns needed substances to your blood and pulls out additional wastes.
3.The nephron is composed of renal corpuscle and renal tubule and is the functional unit of the kidney. The renal corpuscle consists of Bowman's capsule and glomerular capillaries, responsible for plasma filtration & . Glomerulus. Network of capillaries that invaginate into Bowman's capsule.
4.After leaving the renal corpuscle, the filtrate passes through the renal tubule in the following order:
proximal convoluted tubule (found in the renal cortex)
loop of Henle (mostly in the medulla)
distal convoluted tubule (found in the renal cortex)
collecting tubule (in the medulla)
collecting duct (in the medulla)
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Answer:
1. Internally, the kidney has three regions—an outer cortex, a medulla in the middle, and the renal pelvis in the region called the hilum of the kidney.
2. Each of your kidneys is made up of about a million filtering units called nephrons. Each nephron includes a filter, called the glomerulus, and a tubule. ... Each nephron has a glomerulus to filter your blood and a tubule that returns needed substances to your blood and pulls out additional wastes.
3. The nephron is composed of renal corpuscle and renal tubule and is the functional unit of the kidney. The renal corpuscle consists of Bowman's capsule and glomerular capillaries, responsible for plasma filtration (image A) & (image B). Glomerulus. Network of capillaries that invaginate into Bowman's capsule.
4. The components of the renal tubule are:
Proximal convoluted tubule (lies in cortex and lined by simple cuboidal epithelium with brush borders which help to increase the area of absorption greatly.)
-Loop of Henle (hair-pin like, i.e. U-shaped, and lies in medulla)
-Descending limb of loop of Henle
-Ascending limb of loop of Henle
The ascending limb of loop of Henle is divided into 2 segments: Lower end of ascending limb is very thin and is lined by simple squamous epithelium. The distal portion of ascending limb is thick and is lined by simple cuboidal epithelium.
Thin ascending limb of loop of Henle
Thick ascending limb of loop of Henle (enters cortex and becomes - distal convoluted tubule.)
-Distal convoluted tubule
-Connecting tubule