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Collagen model protein, chemical structure. Collagen adopts a characteristic triple helix structure. Collagen is a major component of many tissues, including skin, bone and cartilage.
Mesh gears on a black background. Part of a series.
Shaft helical gear
Triple helical structure of collagen molecule, key skin protein. Amino acids triple helix. Vital in tissue repair, elasticity. Facial skincare, cosmetics, health, beauty research, collagen serum 3D
gantry with x-carriage and print head of a FDM-3D-printer that produces white helical gears on blue print bed. dark surrounding. selective focus. additive manufacturing concept
Helical stepwell, 16th century well with a 1.2m-wide staircase spiralling down the wall of the well shaft, Champaner, Gujarat, India, Asia

Free stock photoshelical (1)