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. 2020 Dec 2;15(12):e0240571. doi: 10.1371/journal.pone.0240571

Fig 1. Schematic presentation of gonad formation in the C. elegans hermaphrodite.

Fig 1

The hermaphrodite U-shaped gonad arms are generated by migration of two DTCs. DTCs are generated at the anterior (A) and posterior (P) ends of the gonad primordium at the first larval stage (L1) and migrate along the anteroposterior axis on the ventral (V) body wall muscle (L2−L3). The DTCs turn dorsally (D) and migrate along the lateral hypodermis (L3). Finally, the DTCs undergo a second turn and migrate along the dorsal body wall muscle to form the symmetrical U-shaped arms (L4).