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why is there nothing about the use of these cells in genetic engineering?
What about the lymphatic system?
I am not a medical expert, but I think that the endothelium also lines up the lymphatic system, not just the blood circulatory system. This feature of the endothelium is also pointed out here http://en.wikipedia.org/wiki/Epithelium. Consequently this article needs to be updated to include the lymphatic system as well. Joe Gatt (talk) 11:30, 10 September 2010 (UTC)
I don't think that the endothelium actually reduces turbulence. At that level the Reynolds number of so small as to inhibit turbulence. This sentence ought to be edited out. In fact the endothelium is one of the most active transporters of membrane potential and chemical messaging with in the human body. 22.214.171.124 (talk) 08:19, 3 April 2011 (UTC)
endothelium and epithelium
The statement that the FMA classifies endothelial cells as distinct from epithelial cells is no longer true - in FMA now endothelial cells are subclasses of epithelial. This also related to the classification differences noted here: Epithelium#Embryological_development Cmungall (talk) 01:07, 15 November 2012 (UTC)
More on endothelium vs. epithelium
Citation: "Endothelial cells in direct contact with blood are called vascular endothelial cells, whereas those in direct contact with lymph are known as lymphatic endothelial cells." Since the endothelium is a monolayer, all cells are in direct contact with the blood/lymph. The sentence is correct, but it lead to the misconception, that there are also cells which are not in direct contact with the blood/lymph. Echinacin35 (talk) 19:13, 10 April 2013 (UTC)
In the terminology section it is stated that "Many considered the endothelium a specialized epithelial tissue", in past tense as can be seen. I am reading a textbook (Inquiry into life, by Madel, Windelspecht) from 2013 wher it is stated that the endothelium is a simple squamous epithelium.
I think therefore that this section is wrong, but do not consider myself qualified to fix it. See also another talk topic on the definition.