Question

The inner lining of blood vessels and heart is called 'tessellated epithelium', which is actually

• A. Simple squamous with wavy appearance
• B. Simple squamous with tile like appearance
• C. Simple cuboidal with wavy appearance
• D. Simple columnar epithelium

Answer 1

Answer: (A)

• Based on the number of layers, epithelia are mainly of three types, simple, stratified, and pseudostratified.
  
• Based on the cell shape, epithelia are of three types, squamous, cuboidal and columnar.
  
• Various combinations of the above mentioned six types of epithelia are found in various locations of the body, each serving some unique function.
  
• Cells of squamous epithelium having wavy outlines comprise what is called the tessellated epithelium. For example, the epithelium lining the blood vessels.
  

So the correct answer is 'Simple squamous with wavy appearance.'