(Click to see larger image) Narishige's ST-7 is a versatile stereotaxic instrument for small animals. This compact and stable stereotaxic instrument has been developed for work with small animals, especially rats. An auxiliary ear bar is incorporated for secure fixation of rats ears.

Experiments on the brain and spinal cord can be performed simultaneously. This instrument also offers a removable center plate for such tasks as fixing a cat spinal cord.