The ornamental design for a cell and tissuehomogenizer, as shown and described.
FIG. 1 is a front perspective view of a cell and tissue homogenizer of the present invention;
FIG. 2 is a rear perspective view of the cell and tissue homogenizer;
FIG. 3 is a front elevational view of the cell and tissue homogenizer of FIG. 1;
FIG. 4 is a rear elevational view of the cell and tissue homogenizer of FIG. 1;
FIG. 5 is a left side elevational view of the cell and tissue homogenizer of FIG. 1;
FIG. 6 is a right side elevational view of the cell and tissue homogenizer of FIG. 1;
FIG. 7 is a top plan view of the cell and tissue homogenizer of FIG. 1; and,
FIG. 8 is a bottom plan view of the cell and tissue homogenizer of FIG. 1.
The broken lines in the drawing views are included for the purpose of illustrating portions of the cell and tissue homogenizer that form no part of the claimed design.