Fig. 12. The internal anatomy of the human lens; the capsule (C) alone or the capsule and epithelium together (CE) are peeled back from the anterior surface. A wedge of the lens has been removed to emphasize internal anatomy. AC, adult cortex; AN, adult nucleus; AS, anterior suture; CZ, central zone; EN, embryonic nucleus; FN, fetal nucleus; GZ, germinative zone; LB, lens bow; LE, lens epithelium; MR, meridional rows; PS, posterior suture; TZ, transitional zone.