Chord

Notochord (Latin for " string ", " string ") stands for:

Notochord ( algae), a genus of the Laminariales
Notochord ( " notochord " ), the inner axial skeleton of the Chordates
Chorda tympani ( "Surprise string "), a branch of the seventh cranial nerve
Chordae tendineae ( " chordae " ), ties between the atrioventricular valves of the heart and the papillary muscles

Notochord is the surname of: