EVERYDAY SCIENCE

Detailed explanation-1: -It is the inner lining of blood vessels. Tunica intima is made up of a single layer of squamous endothelial cells. It is supported by elastic lamina. The endothelial cells of tunica intima are in direct contact with the blood flowing through a blood vessel.

Detailed explanation-2: -The tunica intima consists of a layer of endothelial cells lining the lumen of the vessel, as well as a subendothelial layer made up of mostly loose connective tissue. Often, the internal elastic lamina separates the tunica intima from the tunica media.

Detailed explanation-3: -Tunica intima In blood vessels the simple squamous lining cells (epithelium) is called the endothelium. The tunica intima consists of the endothelium and underlying basement membrane. A small amount of subendothelial connective tissue and and internal elastic layer (lamina), is sometimes present in some blood vessels.

Detailed explanation-4: -The innermost layer of the vein is the tunica intima. This layer consists of flat epithelial cells. These cells allow fluid to flow smoothly and are interspersed with valves that ensure the flow continues in one direction. This continuous layer of epithelial cells holds cells and fluid within the vessel lumen.

Detailed explanation-5: -Tunica intima ( also called Tunica interna) which is the innermost layer simply made up of Squamous epithelium. Tunica media is the thickest middle layer made up of smooth muscles. Tunica adventitia is the outermost layer made up of collagen and elastic fibers.