epithelial duct
Học thuậtThân thiện
Definition
Noun: A narrow tube or passage in the body, lined with a layer of cells called epithelium, that carries a fluid or other substance from one place to another.
Examples
- The epithelial duct carrying tears from the eye to the nasal cavity can become blocked.
- Saliva travels from the salivary gland to the mouth through a small epithelial duct.
- Obstruction of an epithelial duct in the pancreas can lead to health complications.
Advanced Usage
- In medical terminology, "epithelial duct" is a precise anatomical term. In general contexts, simpler terms like "duct" or "tube" are more common.
- The term emphasizes the structural lining (epithelium) that is a defining characteristic of these bodily passages.
Variants and Related Words
- Duct (n): The most common and general synonym for an epithelial duct.
- Canal (n): Often used for larger or more prominent ducts (e.g., alimentary canal).
- Tube (n): A very general term for any hollow cylindrical structure.
- Passage (n): A general term for a channel through which something can pass.
- Vessel (n): Typically refers to tubes carrying blood (blood vessels) or lymph, which are a specific type of epithelial duct.
Synonyms
- Duct
- Canal
- Tube
- Conduit
- Passage
Related Phrases
- Duct system: A network of interconnected epithelial ducts within an organ or gland.
- Ductal epithelium: The specific layer of epithelial cells lining the duct.
Noun
- a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
- the tear duct was obstructed
- the alimentary canal
- poison is released through a channel in the snake's fangs