Anatomy of the Human Thumb - Illustrative Line Drawing #3719233 (License: Personal Use)

This high-detail engraving-style illustration captures the dorsal and palmar surfaces of the human thumb, showcasing epidermal ridge patterns (dermatoglyphics), flexion creases, and subtle musculotendinous contours. Cross-hatching and parallel linework convey depth, texture, and volume, typical of 19th- or early-20th-century scientific illustrations. The image emphasizes functional anatomy relevant to grip, dexterity, and forensic identification.

Used in educational anatomy resources, forensic science guides, or historical medical illustration collections; serves users seeking visual understanding of thumb morphology, fingerprint formation, or vintage scientific art.