The object or device (originally a small ivory or bone plate, now usually the examiner's finger) interposed between the patient's body and the…

= pleximeter, n.

= plexor, n.

A small hammer, other instrument, or finger used to strike the pleximeter or the body in percussion; (also) a reflex hammer. Also called plessor.

(a) a hammer in a percussion gun which strikes the powder or cap, exploding it and so firing the charge; (b) Medicine a small hammer used in medical…

Medicine. = pleximeter, n.

A thing which percusses or strikes something; esp. (Medicine) an instrument or device for medical percussion; (Archaeology) a stone, bone, or…

A pleximeter, spec. one which amplifies sound and allows the outlines of organs to be marked on the surface of the body.