Biological education equipment teaching resource anatomy paramecium modelpvc material, paramecium longitudinal profile model, 370mm long and 80mm wide, fixed to the bottom plate with brackets. hexagonal small areas and cilia on the surface of the surface membrane. the longitudinal section displays the surface membrane, oral sulcus, cell mouth, pharyngeal cavity, undulating membrane, food vesicles, anal points, etc.size:13.19*4.45*1.93 inchesusage:it is used as an intuitive teaching aid when teaching animal cell structure in middle schools and colleges.specifications:color: as shown in the picturequantity: 1material: pvc materialpackage includes:1 × paramecium modelnote:due to the manual measurement, please allow 1-5mm differences in size