Fig. 9From: Morphogenesis of honeybee hypopharyngeal gland during pupal developmentSchematic outline of key events during pupal development of hypopharyngeal gland. a Timeline for major developmental events. P1-P9, pupal stages, termed according to the literature [12, 14]. b Putative cell lineage in worker bee hypopharyngeal gland, based on the cell lineage of other insect dermal glands [38, 40] and modified by taking into account our findingsBack to article page