Coloured X-ray of a hand giving the OK si

Credit: GUSTOIMAGES/SCIENCE PHOTO LIBRARY

Caption: Fingers forming O. Coloured X-ray of a hand in side view, with the thumb and forefinger forming a circle or 'O' shape. This hand signal can mean 'yes' or 'OK'. A thumb which opposes the other fingers is found only in primates and in humans it gives the hand precise and delicate movement. Bones of the fingers, wrist and forearm are seen.

Release details: Model release not required. Property release not required.

Keywords: abstract, anatomy, bone, bones, hand, hand signal, human body, motion action, move movement moving, ok, ok signal, opposable thumb, skeleton, thumb opposed, x-ray, xray, yes

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