pustule
pustule — noun
- pustulesingular
- pustulesplural
1. a small raised bump that forms when a skin infection collects thick yellow fluid
a small raised bump that forms when a skin infection collects thick yellow fluid (pus) just beneath the surface.
Dr. Chen examined the small pustule on the patient's arm and prescribed an antibiotic cream.
medical register: pustule examined, cream prescribed
The nurse saw a cluster of pustules around the surgical incision and called the doctor.
collocation: cluster of pustules
A pustule appeared on Lan's chin the morning before her wedding, much to her frustration.
The doctor explained the pustule would heal on its own if kept clean and dry.
- pimple
common everyday word for a small skin bump; pustule specifies that it contains pus
- boil
larger, deeper, and more painful than a pustule; usually caused by an infected hair follicle
- blister
a bubble of skin filled with clear fluid (serum), not pus — distinct from a pustule
- abscess
a much larger and deeper collection of pus inside body tissue, often requiring medical drainage
用法筆記
Frequently appears in medical records, dermatology consultations, and clinical descriptions. In everyday conversation, speakers typically use 'pimple' or 'spot' instead.