Histology Tech, Histology Technician, Histology Technologist, Histotech, Histotechnician, Histotechnologist, HT, HTL, Histologist, Histology, Grossing, Grossing Tech, Grossing Technician. In doing so, the HT processes specimens by freezing and cutting tissue sections, selecting optimal tissue sections and floating them onto glass slides and staining or treating the tissue with reagents so as to reveal specific structural details under microscopic analysis.