What Is an Ingrown Toenail? Causes, Symptoms & Treatment #3335588 (License: Personal Use)

This diagram depicts a classic case of an ingrown toenail (onychocryptosis), with the lateral edge of the toenail penetrating the periungual skin, leading to inflammation, redness, and potential infection. The magnified view emphasizes the anatomical relationship between the nail plate, nail fold, and underlying tissue-key for understanding diagnosis and conservative or surgical management.

Used on podiatry, dermatology, or foot care web pages to visually explain ingrown toenail pathology; supports educational content for patients seeking symptom recognition and treatment guidance.