parotid gland
Học thuậtThân thiện
Definition
Noun: A large, paired salivary gland located in the preauricular area (in front of and below each ear). It is the largest of the major salivary glands and is responsible for producing a significant portion of serous saliva, particularly during waking hours.
Usage
The term "parotid gland" is used specifically in anatomical, medical, and biological contexts to refer to this precise organ. * The parotid gland secretes saliva through the parotid duct into the mouth. * Inflammation of the parotid gland is known as parotitis. * Surgeons must carefully identify the facial nerve when operating near the parotid gland.
Examples
- Mumps is a viral infection that causes painful swelling of the parotid gland.
- The parotid gland produces an enzyme-rich saliva that begins the digestion of starches.
- A tumor was discovered in her left parotid gland, requiring specialized treatment.
Advanced Usage
- Parotid gland disorders: This phrase refers to any medical condition affecting this gland, such as stones (sialolithiasis), infections, or autoimmune diseases like Sjögren's syndrome.
- Parotidectomy: This is the surgical procedure for the removal of the parotid gland.
Variants and Related Words
- Parotid (adjective): Pertaining to the parotid gland or the area near the ear.
- Example: The parotid duct opens into the mouth opposite the second upper molar tooth.
- Parotitis (noun): Inflammation of the parotid gland.
Synonyms
- Salivary gland (general term; "parotid gland" is a specific type of salivary gland).
Notes on Different Meanings
The term "parotid gland" has a single, specific anatomical meaning. It does not have different figurative or colloquial meanings.
Noun
- a large salivary gland that produces 50% of daytime saliva; in human beings it is located in front of and below each ear