<prompt> 5 yr old boy was presented to the OPD by his mother with complaints of pain in the perineal region on examination of sample taken with nitric acid from his perianal region showed yellow crystal of what is the test doneTeichmanns testBarberios testTakayama testFlorence  <response>: Barberios test : Basis Detection of Spermin Procedure A few drops of Barberios reagent when added to spermatic fluid produces crystals of sperm in picrate needle shaped rhombic yellow color ref : narayanareddy 