Nasal mucosa
Nasal Mucosa
The Nasal Mucosa (pronounced: /ˈneɪzəl mjuːˈkoʊsə/) is the mucous membrane lining the nasal cavity.
Etymology
The term "Nasal Mucosa" is derived from the Latin words "nasus" meaning nose, and "mucosa" meaning a mucous membrane.
Definition
The Nasal Mucosa is a type of mucous membrane that lines the nasal cavity, playing a crucial role in warming, humidifying, and filtering the air we breathe. It is rich in goblet cells that produce mucus and cilia that move the mucus and trapped particles towards the throat for elimination.
Function
The primary function of the Nasal Mucosa is to protect the respiratory tract by trapping and removing foreign particles from the air. It also helps to warm and humidify the air before it reaches the lungs. The Nasal Mucosa is also involved in the sense of smell, as it houses the olfactory epithelium, which contains sensory receptors for smell.
Related Terms
- Mucous Membrane: A membrane that lines various cavities in the body and covers the surface of internal organs, producing mucus to protect and lubricate these surfaces.
- Nasal Cavity: The large, air-filled space above and behind the nose in the middle of the face.
- Goblet Cells: A type of cell that secretes mucus, found in the respiratory and intestinal tracts.
- Cilia: Tiny, hair-like structures present on the surface of all mammalian cells. They are primordial and help in movement and sensory functions.
- Olfactory Epithelium: A specialized epithelial tissue inside the nasal cavity that is involved in smell.
External links
- Medical encyclopedia article on Nasal mucosa
- Wikipedia's article - Nasal mucosa
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