VPT 321: Veterinary Neuropharmacology (2+1) copy 1

STUDENT'S PHYSIOGRAPH

• Student’s physiograph is modern recording instrument that is popularly used in recent times instead of Kymograph. This is electrically operated and consists of writing pens, which record the contractions over moving paper. Even digital recordings are made with the help of physiograph with compatible softwares. This instrument thus gives permanent record of the tracings.

Transducer

• The tissue is connected to the transducer on the upper side for proper transmission of signals. The transducer is connected to the physiograph. This helps in the conversion of mechanical signals to electrical signals and make the pen write on the paper. With the advent of digitilazitation recordings can be retrieved as and when required.

Exercise

• Draw neat diagrams of the various appliances used in experimental pharmacology.