Pseudohyphae (as opposed to true hyphae) are formed when buds elongate with differential rates of wall synthesis at various points along the cell wall. Elongation then stops, and the cell produces a new apical bud, which elongates. This repeated process of budding and elongation can result in extensive filamentation. Side branches initiate as buds and develop in the same manner. In most cases, a constriction remains and can be seen at the origin of each bud.