Fig. 3 in Stereological analysis of the sperm number in the testicular follicles of the Australian field cricket (Insecta: Orthoptera)

Fig. 3: Stereological quantification of spermatozoa by using a combination of the Cavalieri principle and disector method. The reference frame (20 x 20 µm) plays an important role insofar as cells touching the fully drawn line are included in the counting procedure, whereas cells touching the dashed line are excluded.