Ingrown Toenail Diagram - Causes, Symptoms, and Treatment Guide #3017257 (License: Personal Use)

This medical illustration depicts an ingrown toenail (onychocryptosis), where the lateral edge of the nail penetrates the periungual tissue, triggering localized redness, swelling, and potential infection. Blue arrows indicate the direction of pressure from the nail against the soft tissue, emphasizing the mechanical cause of discomfort. The image is designed for patient education and clinical reference.

Used on podiatry, dermatology, or foot care web pages to explain ingrown toenail pathology; supports articles, symptom checkers, or treatment guides targeting users searching for self-care or professional help.