Lecture 3 - Characteristics and Classification of Epithelial Tissues

Question 1

What are the characteristics of microvilli?

Answer 1

• also known as brush borders
• finger-like projections
• increase surface area for absorption
• cross-linked actin filaments
• non-motile

Question 2

What are the characteristics of cilium?

Answer 2

• 9 peripheral doublets with a central pair of microtubules
• doublets consists of alpha tubules (13 protofilaments) and beta tubules (10-11 protofilaments)
• dynein arms connect doublets and allows for movement