Cilium meaning

A cilium is a tiny, hair-like structure that protrudes from the surface of a cell and is involved in movement or sensing.


Cilium definitions

Word backwards muilic
Part of speech Noun
Syllabic division ci-li-um
Plural The plural of the word cilium is cilia.
Total letters 6
Vogais (2) i,u
Consonants (3) c,l,m

Cilium is a hair-like structure found on the surface of many cells in the human body. These cilia play essential roles in various cellular processes, including movement, sensing, and signaling.

Structure of Cilium

Cilia are made up of microtubules arranged in a specific pattern, giving them their characteristic hair-like appearance. They are anchored in the cell membrane and are supported by structures called basal bodies.

Types of Cilia

There are two main types of cilia - motile cilia and primary cilia. Motile cilia are involved in moving fluid or material across the cell's surface, while primary cilia play sensory roles, detecting signals from the environment.

Functions of Cilium

Motile cilia are found in the respiratory tract, where they help to move mucus and debris out of the lungs. In the reproductive system, motile cilia assist in the movement of egg cells through the fallopian tubes. Primary cilia have been implicated in various signaling pathways and are thought to play crucial roles in development and tissue homeostasis.

Role in Genetic Disorders

Defects in cilia structure or function have been linked to a group of genetic disorders known as ciliopathies. These disorders can affect various organs and systems in the body, leading to a wide range of symptoms.

Overall, cilia are fascinating structures that play diverse and essential roles in cellular function and human health. Ongoing research is continually uncovering new insights into the biology of cilia and their impact on human disease.


Cilium Examples

  1. The cilium helps propel single-celled organisms through water.
  2. Each cilium on a human cell acts like a tiny antenna, detecting signals from the environment.
  3. Defects in the cilium structure can lead to genetic disorders known as ciliopathies.
  4. Cilia in the respiratory tract help to sweep mucus and debris out of the airways.
  5. Cilium are also found in the inner ear, where they aid in balance and hearing.
  6. Certain medications can interfere with the function of cilium on cells.
  7. Studies have shown that cigarette smoke can damage cilium in the lungs.
  8. The cilium structure is made up of microtubules arranged in a specific pattern.
  9. In some species, cilium can be used for capturing food particles from the environment.
  10. Research is ongoing to better understand the role of cilium in various biological processes.


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  • Updated 18/05/2024 - 12:54:26