Forty Santa Ines sheep (Ovis aries Lin.) hearts were examined with the purpose of studying the present types of chordae tendineae in the left valve complex. The study was performed at the StateUniversity of North Fluminense Darcy Ribeiro, Morphology sector of the Agricultural ScienceAnimalHealth CenterLaboratory. Hearts were initially kept in 10% formalinsolution and later dissected to undergo removal and plannifcation of left atrioventricular complex. With the removal of the left atrioventricular complex began the observation and characterization of the cord. After the analysis we observed the presence of eight types of cuspidal chordae tendineae present in the left valve complex, they were classifed as type I, II, III, IV, V, VI, VII and commissural kind.