A fully opposable thumb gives the human hand its unique power grip (left) and precision grip (right).

ANATOMICAL • ANATOMY • APPENDAGE • APPENDIX • BEHAVIORAL • BEHAVIOURAL • BEING • BIOLOGICAL • BIOLOGY • BODY • CADAVER • CAPABILITIES • CAPABILITY • CIENCIA • CORPS • CORPSE • CUFF • DEAD BODY • DETAILS • DEXTERITY • DIAGRAM • DIGIT • EVOLUTIONARY • EXTREMITIES • EXTREMITY • FIGURE • FINGERS • FIST • GRASPING • GRIPPING • GROSS ANATOMY • HAND • HOLDING • HOMO SAPIENS • HORIZONTAL • HUMAN EVOLUTION: HOMO SAPIENS • HUMAN • HUMANE • ILLUSTRATION • ILLUSTRATIONS • INDIVIDUAL • LIMB • OPPOSABLE • PART • PERSON • PHYSIOLOGICAL • PHYSIOLOGIE • PHYSIOLOGY • POLLEX • POWER • PRECISION • SCIENCE • THUMBS