ENDOTHELIAL Meaning and
Definition
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Endothelial refers to the tissue or cells that form a single layer lining the interior of blood vessels, lymphatic vessels, and the heart. This type of tissue is composed of endothelial cells, which are squamous or squamous-like in shape and typically have a flattened appearance. The endothelial layer acts as a semi-permeable barrier between the blood or lymph and the walls of the vessels, allowing for the selective transport of substances such as oxygen, nutrients, hormones, and waste products.
Endothelial cells play a crucial role in various physiological processes, including regulating the flow of blood through the vessels, maintaining vascular tone, and preventing blood clot formation by producing anticoagulant molecules. Additionally, these cells are involved in immune responses, inflammation, and the formation of new blood vessels through a process known as angiogenesis.
Endothelial dysfunction, characterized by impaired endothelial cell function, is associated with various cardiovascular diseases such as atherosclerosis, hypertension, and thrombosis. It can lead to reduced blood flow, increased blood clotting, and increased vascular permeability. Understanding and studying endothelial function and its role in disease have become essential for the development of therapeutic interventions and preventive strategies for these conditions.
In conclusion, "endothelial" refers to the specialized tissue lining the interior of blood vessels, lymphatic vessels, and the heart walls, consisting of endothelial cells responsible for critical functions in vascular health and disease.
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Relating to the endothelium.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for ENDOTHELIAL
Etymology of ENDOTHELIAL
The word "endothelial" has its roots in two Greek words: "endo" which means "within" and "thelī́" which means "nipple" or "little bud".
In the context of the word "endothelial", the "endo" prefix signifies that it refers to something within or inside, and "thelī́" refers to epithelial tissue or cells. Therefore, the term "endothelial" can be understood to mean "pertaining to the cells that line the interior surface of blood vessels".
Similar spelling words for ENDOTHELIAL
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