BIO 3334 Study Guide - Quiz Guide: Oviduct, Tricladida, Anatomical Terms Of Location

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Position of the epithelial cell bodies relative to the basement membrane in flatworm tegument. The external opening of the protonephridia on the outer body wall of a flatworm. These structures found on the sides of a free-living flatworm"s head are chemosensory. This is the structure that keeps a tapeworm anchored in the intestine. scolex. The cells of the tapeworm tegument don"t have cell membranes between them. This term describes this type of cellular organization. The gut of planaria is described as being this type because of its three branches. The most mature segments of a tapeworm are loaded with eggs and referred to as being in this state or condition. This stage follows the miracidium in the fluke life cycle. The vitelline gland provisions the developing egg with this substance. Because flatworms have the three germ layers we refer to them as being this.