Which condition involves inflammation of the nail unit?

The condition that involves inflammation of the nail unit is onychia. Onychia specifically refers to the inflammation of the matrix of the nail, which can lead to changes in nail structure and growth. This inflammation can be caused by various factors, including infections, trauma, or underlying health issues. When the matrix, the tissue responsible for producing the nail, is inflamed, it can directly affect the appearance and health of the nail, resulting in symptoms such as redness, swelling, and pain.

Understanding onychia is crucial for nail technicians, as it highlights the importance of recognizing and addressing nail health issues to provide appropriate care. An effective treatment plan may include proper nail hygiene, avoiding irritants, and in some cases, medical intervention.

Other conditions, while related to nails, do not specifically pertain to the inflammation of the nail unit. For example, onychomycosis is a fungal infection of the nail, pterygium refers to an abnormal growth that can occur on the nail fold, and agnail describes the condition of hangnails, which is more about skin issues adjacent to the nail rather than inflammation of the nail unit itself.