title: Studies on human meiotic chromosomes from testicular tissue.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D005832:Genital Diseases, Male / Q000601:surgery; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D013094:Spermatozoa; D013737:Testis / Q000166:cytology*