port-wine stain
Học thuậtThân thiện
Definition
Noun: A type of permanent, congenital vascular birthmark on the skin. It appears as a flat, discolored patch that can range in color from pale pink to deep purple, resembling the color of port wine. It is caused by an abnormal formation of tiny blood vessels (capillaries) near the skin's surface.
Usage
A "port-wine stain" is a medical term used to describe a specific kind of birthmark. It is typically used in dermatological and general medical contexts. - It is a countable noun (e.g., a port-wine stain, port-wine stains). - The term is often hyphenated when used as a compound noun modifying another word (e.g., port-wine stain removal).
Examples
- Noun:
- The baby was born with a large port-wine stain on her cheek.
- Laser treatment can help lighten the appearance of a port-wine stain.
- Unlike some other birthmarks, a port-wine stain does not fade over time.
Advanced Usage
- Medical Context: In medicine, a port-wine stain is also known as a . It can sometimes be associated with certain syndromes, such as Sturge-Weber syndrome, when located on the forehead or upper face.
- The neurologist examined the patient for other symptoms due to the port-wine stain's location near the eye.
Variants and Related Words
- Nevus flammeus (n): The formal medical term for a port-wine stain.
- Capillary malformation (n): A broader technical term describing the underlying vascular abnormality that causes a port-wine stain.
- Birthmark (n): The general category of skin marks present at birth, which includes port-wine stains.
Synonyms
- Nevus flammeus (medical synonym)
- Firemark (an older, less common term)
Related Phrases/Idioms
There are no common idioms or phrasal verbs specifically for "port-wine stain" as it is a technical medical term.
Noun
- a flat birthmark varying from pink to purple