What is the term for the condition characterized by a series of lengthwise ridges and splits in brittle nails?

The condition characterized by a series of lengthwise ridges and splits in brittle nails is known as onychorrhexis. This term specifically refers to the abnormal splitting or ridging of the nails, which can be caused by various factors such as trauma, nutritional deficiencies, or exposure to harsh chemicals. Recognizing onychorrhexis is important for nail technicians since it indicates that the nails may require special care and attention to improve their health and appearance.

Other terms presented in the choices refer to different nail conditions: onychocryptosis is commonly known as ingrown nails, onychomycosis refers to fungal infections of the nails, and paronychia is an infection of the skin around the nail. Understanding these distinctions helps nail technicians accurately identify and address nail health issues in their clients.