Examlex
Some aphids can change color in response to the presence of bacterial symbionts.
Sarcomere
The basic unit of muscle fiber responsible for muscle contraction, consisting of actin and myosin filaments.
Muscle Contraction
The process by which muscle fibers generate force and shorten or lengthen to produce movement.
Vertebrate Joints
Connective structures between bones in vertebrate animals, facilitating movement and providing mechanical support.
Joints
Structures that connect two or more bones in the body, allowing for mobility and flexibility.
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