(anatomy) any structure that resembles a crown in shape, Seen in Rotifers.
short structures projecting from a cell and containing bundles of microtubules that move a cell through its surroundings or move fluid over the cell's surface
ear-like projections on a flatworm that are sensitive to chemicals and touch
having two types of multiplication in two or more hosts. Sexual, occurs in adult or mature stage within definitive host, asexual, occurs in larval stages within intermediate host(s); velonging to subclass of trematodes Digenea (all flukes of human and veterinary importance belong to this Order) Direct life cycle - only one host required in life cycle but part of life cycle may be in the enviornment