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Mucus vs Mucous
Difference, Examples & Quiz

What's the difference? Which one is correct?


Definition: Mucus is a slippery secretion produced by the mucous membranes. It is found in various parts of the body, such as the respiratory tract, digestive tract, and reproductive system.

Usage: Mucus plays a crucial role in protecting and lubricating the body's tissues and organs. It helps to trap and remove foreign particles, moisturize and protect delicate tissues, and facilitate the movement of substances.

Example sentences:
  • 1. She had a runny nose, and mucus was constantly dripping.
  • 2. The mucus in the lungs helps to trap and remove dust and bacteria.
  • 3. The mucus lining the stomach protects it from the acidic digestive juices.

Definition: Mucous is an adjective that describes something related to or resembling mucus.

Usage: Mucous is often used to describe substances or membranes that secrete or contain mucus.

Example sentences:
  • 1. The patient had a thick, mucous discharge from their nose.
  • 2. The mucous membranes in the respiratory system help to moisten and protect the airways.
  • 3. The mucous lining of the digestive tract aids in the absorption of nutrients.

Mucus is a noun that refers to the slimy substance produced in the nose and throat. Mucous is an adjective that describes something related to mucus or containing mucus.

Quizzes about "Mucus" vs "Mucous "

Mucus vs Mucous : 5 Quizzes

1. What is the definition of mucus?

2. Which of the following is a function of mucus?

3. Where is mucus produced?

4. What is the purpose of mucus in the digestive system?

5. What can excessive mucus production be a symptom of?


  • What is mucus?

    Mucus is a slippery substance produced by the body's mucous membranes. It helps to protect and lubricate various organs and tissues.

  • What is the purpose of mucus?

    The main purpose of mucus is to trap and remove foreign particles, such as dust and bacteria, from the respiratory system. It also helps to moisturize and protect the lining of organs like the nose, throat, and lungs.

  • What causes excessive mucus production?

    Excessive mucus production can be caused by various factors, including allergies, infections, irritants, and certain medical conditions. It is often associated with symptoms like nasal congestion, coughing, and throat clearing.

  • What is the difference between mucus and mucous?

    Mucus and mucous are essentially the same substance, but the terms are used in different contexts. Mucus is the noun form, referring to the slippery substance itself. Mucous is the adjective form, describing something that is related to or covered with mucus.

  • How can I reduce excessive mucus production?

    To reduce excessive mucus production, it is important to identify and address the underlying cause. This may involve avoiding triggers, managing allergies, staying hydrated, using nasal saline rinses, and seeking medical treatment if necessary.