Major components of a nephron include?

Answer 1

renal corpuscle and renal tubule

Answer 2

The nephron consists of a cup-shaped capsule containing capillaries and the glomerulus, and a long renal tube. Blood flows into the kidney through the renal artery, which branches into capillaries associated with the glomerulus. Arterial pressure causes water and solutes from the blood to filter into the capsule. Fluid flows through the proximal tubule, which include the loop of Henle, and then into the distal tubule. The distal tubule empties into a collecting duct. Fluids and solutes are returned to the capillaries that surround the nephron tubule.

Answer 3

• Proximal Convoluted Tubule-eighty five percent of the water, electrolytes, and

nutrients (glucose, amino acids, vitamins, and so forth) are reabsorbed in this

region. This mostly occurs by passive diffusion into the cells lining the tubule,

but also involves active transport from the cell to the blood. Active transport is

carried out by protein carrier molecules (membrane channel proteins); it is

"selective" since only those molecules recognized by specific carrier proteins can

move across the membrane. Extensive microvilli on the cell membrane help to

increase absorptive surface area, enhancing the ability of this tubule to reabsorb

solutes.

• Loop of Henle: consists of descending and ascending limbs. This area is used to

create a salty interstitium that in turn attracts water to move from the tubules

into the kidney interstitium

A -descending limb-permeable to water and recovers water by moving it

from tubule into the salty interstitium.

B- ascending limb-actively pumps salt (NaCl) into interstitium to create a

concentration gradient that helps water move from the descending limb to

the interstitium

• Distal Convoluted Tubule-This area actively reabsorbs Na+ with the aid of a

hormone called aldosterone. Additionally, active tubular secretion of wastes and

some drugs into the tubular filtrate occurs here.

• Collecting Tubule-The last 15% of water reabsorption takes place here, with the

aid of antidiuretic hormone (ADH) secreted by the posterior pituitary gland. Its

secretion is regulated by changes in blood volume or blood osmolality. ADH

renders the lining of tubules more porous so most of the remaining H2O is

reabsorbed here.

• Peritubular Capillary System (vasa recta) this vascular network surrounds the

nephron and is the ultimate place where water, electrolytes, and nutrients are

reabsorbed into the body's bloodstream.

Answer 4

Glomerolus, Proximal Convoluted Tubules, Descending Loop of henle, Ascending Loop of Henle, Distal Convoluted Tubules.

Though the Medullary Collecting ducts are found in the kidney, an author stated that it is not part of the nephron.

Answer 5

Bowman's capsule, henle's loop (made up of the proximal convulated tubule anddistal convulated tubule) and collecting duct.

Answer 6

1. Glomerulus

2. Bowman's Capsule

3. Loop of Henle

4. Collecting Duct