C. elegans is unsegmented, vermiform, and bilaterally symmetrical. It has a cuticle (a strong outer covering, as an exoskeleton), four main epidermal cords, and a fluid-filled pseudocoelom (body cavity). It also has some of th… See more

The hermaphroditic worm is considered to be a specialized form of self-fertile female, as its soma is female. The hermaphroditic germline produces male gametes first, and lays eggs through its uterus after internal fertilization… See more

The fertilized zygote undergoes rotational holoblastic cleavage.
Sperm entry into the oocyte commences formation of an anterior-posterior axis. The sperm microtubule organizing center directs the movem… See more