How would you distinguish pseudostratified columnar epithelium from all other tissues?.

Pseudostratified epithelial differ from columnar epithelium because they have only a single layer of cells but of different heights and also do not have the ability to contract and expand whereas the columnar epithelial cells have various cell layers and are also able to contract and relax and pseudo epithelial cells are found in the bronchi, trachea and the parts of respiratory organs but the columnar is found in the lining of the urethra and uterus and the pseudo epithelial cells are used for the trapping of dust and other foreign particles whereas the columnar is used for expansion of urethra during urination and also pseudo epithelial cells have cilia which also helps in the movement whereas columnar have the microvilli whereas the pseudo epithelial cells are connected to the basal membrane the columnar on the other side are multilayered so only the lower layer comes in the contact with the basal membrane.

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AzzerVen AzzerVen · Answer 2 · 2022-09-15T09:38:07+02:00

According to the Histology of the nephron, simple squamous epithelium in the lumen and simple cubic epithelium in the distal tubule.

The nephrons are the functional and filtering part of the kidneys, composed of the renal corpuscle and its renal tubular system.

The renal corpuscle performs the primary filtration of systemic blood that arrives from the glomerular capillary system.
The product of this filtration passes to the renal tubular system, which is responsible for absorbing necessary molecules and secreting waste substances.
The loop of Henle is lined by simple squamous epithelium, composed of cells with few organelles, little secretion capacity, and few or no microvilli.
The distal convoluted tubule, like the proximal tubule, is lined by simple cubic epithelium, with a single layer of cells of similar width and height.

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