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. 2020 Nov 20;17:41. doi: 10.1186/s12014-020-09305-7

Fig. 1.

Fig. 1

Position and Zonal Anatomy of the Human Prostate Gland. Position of the prostate in the male reproductive tract (a) and location of the three main anatomical zones of the human prostate as described by McNeal in 1969 (b). Zonal regions of the prostate as viewed under magnetic resonance imaging (MRI) are shown in (c). Figure is adapted from ‘Perez and Brady’s Principals and Practices of Radiation Oncology’ [275] and ‘Grey’s Anatomy’ [276]