beta-N-acetylhexosaminidase; hexosaminidase; beta-acetylaminodeoxyhexosidase; N-acetyl-beta-D-hexosaminidase; N-acetyl-beta-hexosaminidase; beta-hexosaminidase; beta-acetylhexosaminidinase; beta-D-N-acetylhexosaminidase; beta-N-acetyl-D-hexosaminida • • •