<prompt> The technique used for aspiration of sperm directly from testes for in vitro feilization isTESAMESAGIFTIVF  <response>: MESA and TESA are both techniques of sperm aspiration but since the question specifically asks about aspiration directly from the testes, TESA is the most appropriate answer here.Ref: Clinical Gynecologic Endocrinology and Infeility; 8th edition; Section IV; Infeility 