The luminal surface of the epithelial cells of this segment of the nephron is covered with densely packed microvilli forming a border readily visible under the light microscope giving the brush border cell its name.gonal resorption of the proximal tubular contents after interruption of circulation in the capillaries surrounding the tubule often leads to disturbance of the cellular morphology of the proximal tubule cells, including the ejection of cell nuclei into the tubule lumen.
Difference between Authentication and authorization. Difference between authentication and authorization. Authentication. It is the process of verifying the identity of a user. It is the process of checking whether the user has the access rights to the system. It always proceeds to authorization. It is the process of allowing an authenticated user access to resources.
On the other hand, a High Commission is an embassy of one Commonwealth country to another Commonwealth country. â¢ Embassy is also a building where diplomats work or live. â¢ There is difference between the persons associated with High Commission and Embassy too.The person associated with High Commission is called a High Commissioner while the person associated with an Embassy is called the Ambassador.igh Commission vs Embassy. The difference between High Commission and Embassy is easy to understand, if you understand the difference between Commonwealth and non-Commonwealth countries. Commonwealth countries are the countries that were once the territories of British Empire and are now independent states.