Advantages of the tissue culture dishes:

• opto-mechanical activation of the growth zone
• gripping ring: often copied, never equaled!
• yellow labeling field printed on the side of the dish  lid
• stacking rim in the dish lid and matching on the dish base enables safe stacking of several dishes
• numerical orientation in the chrono time system in the base of the dish
• cams on the inside of each dish lid serve as spacers to the dish for constant gas exchange with low evaporation.

The numbers 3, 6, 9 and 12 are set into the bottom of the dish in the chrono time system. This allows areas to be defined, identified and documented in the same way as a clock.

The clarity enables a visual control of the cells in stacked dishes using transmitted light. This is the basis for the documentation with microphotography.