Structure of Cilia
Cilia is composed of basal body, ciliary rootlet, transition zone and axoneme.
Basal Body
- The first of cilium structure is basal body which is considered to be the foundation of Cilia.
- Mammalian cell Cilia consists of subdistal appendages, nine triplet microtubule and distal appendages.
- Distal appendages attaches the basal body of Cilia to the base of Cilia.
Ciliary Rootlet
- It is a cytoskeleton type of structure and have diameter of 80 – 100nm, which protruding from the basal body of Cilia at the proximal end.
- Ciliary rootley is made up of protein known as rootlet protein, which is encoded by CROCC gene.
Transition Zone
- Transition zone is also known as ciliary gate which is responsible of entry and exit of protein from Cilia.
- Ciliary gate consists of Y shaped structure which connects it to the axoneme. Ciliary gate only allow selected protein entry.
Axoneme
- Core of Cilia is made up of microtubule known as axoneme.
- In a motile cilium, the axoneme serves as a framework for the inner and outer dynein arms that propel the cilium and as a pathway for the kinesin and dynein microtubule motor proteins.
Cilia – An Overview
Cilia is an organelle on the membrane of most of the eukaryotic cells and is also known as cilium (singular). It is absent in bacterial and archaeal cells. The cilia function is to provide locomotion and propelling of cell and food particles. The shape of the cilia is slender, and it is a thread-like structure that arises from the surface of the cell membrane. There are two types of Cilia, including motile and non-motile. In this article, we will study the cilia, its structure, types, and Functions.
Table of Content
- What is Cilia?
- What is Cilia and Flagella?
- Structure of Cilia
- Types of Cilia
- Cilia Function in Cell
- Disorders of Cilia
- Example of Cilia
- Cilia Location
- Importance of Cilia
- Conclusion-Cilia
- FAQs on Cilia