What is a bundle of capillaries in the nephron?

What is a bundle of capillaries in the nephron?

The glomerulus, the filtering unit of the kidney, is a specialized bundle of capillaries that are uniquely situated between two resistance vessels (Figure 1). These capillaries are each contained within the Bowman’s capsule and they are the only capillary beds in the body that are not surrounded by interstitial tissue.

What is a bundle of capillaries called?

The renal corpuscle, located in the renal cortex, is made up of a network of capillaries known as the glomerulus and the capsule, a cup-shaped chamber that surrounds it, called the glomerular or Bowman’s capsule.

What is the name of the capillaries that surround the nephron?

In the renal system, peritubular capillaries are tiny blood vessels, supplied by the efferent arteriole, that travel alongside nephrons allowing reabsorption and secretion between blood and the inner lumen of the nephron.

What is Bowman capsule?

Bowman’s capsule is a part of the nephron that forms a cup-like sack surrounding the glomerulus. Bowman’s capsule encloses a space called “Bowman’s space,” which represents the beginning of the urinary space and is contiguous with the proximal convoluted tubule of the nephron.

Is vasa recta present in cortical nephron?

Vasa recta is well developed in cortical nephrons.

What is the name of the blood vessel that exits the glomerular capsule and ultimately forms the peritubular capillaries?

efferent arteriole
Blood entering the glomerular capillaries must first pass through an afferent arteriole. Blood exiting the glomerular capillaries passes through a second arteriole, the efferent arteriole. Blood then flows through the peritubular capillaries, which include the vasa recta that extend into the renal medulla.

Where is Bowman capsule located?

kidney
The Bowman’s capsule is found in the outer part of the kidney, the cortex. Essentially, the capsule is a sealed, expanded sac at the end of the tubule, the rest of which elongates into a twisted and looped tubule in which urine is formed.

What are the capillaries that surround the loop of Henle in Juxtamedullary nephrons are called?

glomerulus: tuft of capillaries surrounded by Bowman’s capsule; filters the blood based on size. juxtamedullary nephrons: nephrons adjacent to the border of the cortex and medulla with loops of Henle that extend into the renal medulla.

Is the Bowman’s capsule in the medulla or cortex?

The Bowman’s capsule is found in the outer part of the kidney, the cortex. Essentially, the capsule is a sealed, expanded sac at the end of the tubule, the rest of which elongates into a twisted and looped tubule in which urine is formed.

Where is the fibrous capsule of kidney?

renal capsule, thin membranous sheath that covers the outer surface of each kidney. The capsule is composed of tough fibres, chiefly collagen and elastin (fibrous proteins), that help to support the kidney mass and protect the vital tissue from injury.

Why vasa recta absent in cortical nephrons?

Detailed Solution. Vasa Recta is absent in Cortical Nephrons. The vasa recta are the capillary networks that supply blood to the medulla which are highly permeable to solute and water. Transport by the Vasa Recta Is Essential to the Operation of the Loop of Henle.

Is vasa recta peritubular capillaries?

Vasa recta are a special type of peritubular capillaries. They are present in the kidney. Furthermore, they arise from the efferent arteriole.