GENERAL HISTOLOGY

EXCRETORY SYSTEM

COLLECTING TUBULE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Cuboidal cells with very few microvilli; Function more in secretion than reabsorption; Confined to cortex
A
Distal convoluted tubule (DCT)
B
Nephron loop
C
Proximal convoluted tubule (PCT)
D
smol chicken
Explanation: 

Detailed explanation-1: -The proximal tubule carries out much of the active reabsorption of solutes present in the filtrate. The lumen of the tubule has many microvilli (MV) which dramatically increase the area available for membrane transfer.

Detailed explanation-2: -The cuboidal epithelial cells of the distal convoluted tubule do not have microvilli like the proximal convoluted tubule cells do.

Detailed explanation-3: -The distal convoluted tubule (DCT) is a short nephron segment, interposed between the macula densa and collecting duct. Even though it is short, it plays a key role in regulating extracellular fluid volume and electrolyte homeostasis.

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