Question

What is simple epithelium ? Explain it's types with one example .​

Answer 1

Answer:

The first name describes the number of cell layers present and the second describes the shape of the cells. For example, simple squamous epithelial tissue describes a single layer of cells that are flat and scale-like in shape. ... Cuboidal epithelium has cells whose height and width are approximately the same.

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Answer 2

AnSwer :-

⟶ Simple epithelium :-

Simple epithelium is made up of single layer of cell

The simple epithelium is primarily involved in absorption and filtration.

⟶ They are classified into four ⠀⠀types :-

$</strong><strong>\</strong><strong>L</strong><strong>a</strong><strong>r</strong><strong>g</strong><strong>e</strong><strong>\</strong><strong>s</strong><strong>t</strong><strong>a</strong><strong>r</strong><strong>$Squamous epithelium

• It is made up of a single thin layer of flattened cell with irregular boundaries .
• Each cell is thick in the middle and thin at the edge nucleus is centrally placed.

Example :-

Walls of blood vessels and air oflungs that form diffusion boundary.

$\</strong><strong>L</strong><strong>a</strong><strong>r</strong><strong>ge\star$Cuboidal epithelium

• i) It is made up of single layer of cube like cells
• ii) Nucleus is centrally located.

Example :-

Ducts of glands and tubular part of nephrons of kidneys that help in secretion and absorption

$\</strong><strong>L</strong><strong>a</strong><strong>r</strong><strong>g</strong><strong>e\star$Columnar Epithelium

• It is made up of single layer of tall, cylindrical and slender cells.
• Nucleus is located at the base and free surface show microvilli.

Example :-

Lining of stomach and Intestine that help in secretion and absorption.

$\</strong><strong>L</strong><strong>a</strong><strong>r</strong><strong>ge\star$Ciliated Epithelium

• It is made up of single layer of tall, cylindrical and center cell.
• The nucleus is located at the base. And the free surface posses cilia.

Example :-

lnner surface of hollow organs like bronchioles and fallopian tubes. It helps in movement of particles (or) muscles in specific direction.