Understanding Epithelial Tissue: Types, Cells, and Functions, Summaries of Cellular and Tissue Engineering

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Epithelial tissue

Sunday, 7 June 2020

Key Question : What

is epithelial tissue?

To get

you

started …

Tissue

• As you may recall, a collection of

differentiated cells that perform a specific

function is called a tissue. There are four

main tissue types in animals.

• Epithelium
• Muscle
• Connective (supports, connects or separates different types of tissues and organs in the body)
• Nervous

Epithelial cells Endothelial cells

Type of cells Squamous epithelial tissue Columnar epithelial tissue Endothelial tissue What are the cells like? What is their function? Where in the body are they found?

Task 1 – Complete the table

Columnar

• Ciliated columnar tissue is made up of

column-shaped ciliated cells with hair-like

structures called cilia covering the

exposed cell surface.

• Simple columnar tissue lacks the cilia.

Endothelial

• Endothelial tissue

consists of a layer of

flattened cells one

layer thick.

• It is found lining the

heart, blood vessels

and lymphatic

vessels (vessels that

make up the

lymphatic system.

• Task 3 BTEC Cells questions Mark = /