Endothelium of the inner surface of blood vessels in vertebrates is

Simple squamous epithelium

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Columnar epithelium

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Cuboidal epithelium

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Ciliated cells

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Solution

The correct option is B Simple squamous epithelium
Simple squamous epithelium that lines the blood vessels is called the endothelium. It is the thin layer of cells lining the interior surface of blood vessels, forming an interface between circulating blood in the lumen and the rest of the vessel wall. Endothelial cells line the entire circulatory system, from the heart to the smallest capillary. These cells reduce turbulence of the flow of blood allowing the fluid to be pumped farther.
Hence the correct option is A.

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Similar questions

	Column - I		Column - II
(a) (b) (c) (d)	Squamous epithelium Columnar epithelium Cuboidal epithelium Ciliated epithelium	(i) (ii) (iii) (iv)	Gall bladder Oviduct Heart Thyroid gland

\begin{matrix} C o l u m n I & C o l u m n I I (E p i t h e l i a l T i s s u e) & (L o c a t i o n) A . C u b o i d a l & 1. E p i d e r m i s o f s k i n B . C i l i a t e d & 2. I n n e r l i n i n g o f b l o o d v e s s e l s C . C o l u m n a r & 3. I n n e r s u r f a c e o f g a l l b l a d d e r D . S q u a m o u s & 4. I n n e r l i n i n g o f F a l l o p i a n t u b e E . K e r a t i n i s e d s q u a m o u s & 5. L i n i n g o f p a n c r e a t i c d u c t \end{matrix}

	Column I		Column II
$1$	Cuboidal	(a)	Epidermis of skin
$2$	Ciliated	(b)	Inner lining of blood vessels
$3$	Columnar	(c)	Inner surface of gall bladder
$4$	squamous	(d)	Inner lining of fallopian tube
$5$	Keratinized	(e)	Lining of kidney tubules

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