alopecia areata - Definition & Meaning

an autoimmune condition characterized by the sudden onset of hair loss in well-defined patches on the scalp or other parts of the bodyan autoimmune condition characterized by the sudden onset of hair loss in well-defined patches on the scalp or other parts of the body

Alopecia areata is a condition that causes sudden hair loss in small, round patches on the scalp or other parts of the body. It occurs when the immune system mistakenly attacks hair follicles, leading to hair loss. The cause of this autoimmune disorder is not fully understood, but genetics and environmental factors may play a role. Alopecia areata can affect people of all ages and may be temporary or long-lasting. While there is no cure, treatments such as steroid injections, creams or ointments, or light therapy may help stimulate hair growth and manage symptoms.Alopecia areata is a condition that causes sudden hair loss in small, round patches on the scalp or other parts of the body. It occurs when the immune system mistakenly attacks hair follicles, leading to hair loss. The cause of this autoimmune disorder is not fully understood, but genetics and environmental factors may play a role. Alopecia areata can affect people of all ages and may be temporary or long-lasting. While there is no cure, treatments such as steroid injections, creams or ointments, or light therapy may help stimulate hair growth and manage symptoms.

例句

Alopecia areata causes sudden hair loss in patches, often on the scalp.
斑秃会导致头皮上突然出现斑块状脱发。
The person noticed small, round bald spots, a sign of alopecia areata.
这个人注意到小而圆的秃斑，这是斑秃的迹象。
Some individuals with alopecia areata experience regrowth of hair over time.
一些患有斑秃的人随着时间的推移会经历头发的再生。