salivary duct
Học thuậtThân thiện
Definition
Noun: A small tube or channel that carries saliva from a salivary gland into the oral cavity (the mouth).
Usage
The term "salivary duct" is used specifically in anatomical and medical contexts to describe the pathway for saliva. It is a countable noun. * A blockage in a salivary duct can cause swelling and pain. * The surgeon carefully repaired the damaged salivary duct.
Examples
- The salivary duct delivers enzymes and moisture to the mouth to aid in digestion.
- Stones can sometimes form within a salivary duct, obstructing the flow of saliva.
- The diagram clearly shows the connection between the gland and the mouth via the salivary duct.
Advanced Usage
- Anatomical Specificity: Salivary ducts are often named for their associated glands (e.g., the parotid duct, also known as Stensen's duct, is the main salivary duct of the parotid gland).
- Clinical Context: The term is frequently used when discussing conditions like sialolithiasis (salivary stones), sialadenitis (inflammation), or ductal injuries.
Variants and Related Words
- Duct (n.): A general term for a tube or vessel in the body that carries a secretion or other fluid.
- Salivary Gland (n.): The gland that produces and secretes saliva into the salivary duct.
- Sialodochitis (n.): Inflammation of a salivary duct.
Synonyms
- Salivary canal (less common, but used in some anatomical descriptions)
Notes
This is a technical, compound noun. Its meaning is directly derived from its components: "salivary" (relating to saliva) and "duct" (a tube). It does not have phrasal verbs or idiomatic uses.
Noun
- a duct through which saliva passes from the salivary gland into the mouth