Mammary Glands, AnimalMammary Tumor Virus, MouseMammary Neoplasms, ExperimentalCloning, MolecularClone CellsSalivary GlandsMetrial GlandExocrine GlandsLactationSubmandibular GlandSebaceous GlandsMammary Glands, HumanSweat GlandsParotid GlandMammary Neoplasms, AnimalPregnancyMilkEpithelial CellsMilk ProteinsAir SacsMolecular Sequence DataCaseinsSalivary Gland DiseasesLacrimal ApparatusBase SequencePregnancy, AnimalSublingual GlandBrunner GlandsAdrenal GlandsRNA, MessengerEpitheliumHarderian GlandChironomidaeProlactinAmino Acid SequenceAnguillaSalivary Gland NeoplasmsFibroinsMastitisOviductsImmunohistochemistryNematodaMice, TransgenicBreastDipteraMastitis, BovineDNA, ComplementaryDNAUterusCell DifferentiationCells, CulturedSalt GlandLactalbuminTracheaBombyxReceptors, Prolactin9,10-Dimethyl-1,2-benzanthraceneGene Expression Regulation, DevelopmentalMorphogenesisGene Expression RegulationProgesteroneParathyroid GlandsGene ExpressionMeibomian GlandsMicroscopy, ElectronAquaporin 5CattleLarvaCockroachesEstradiol AntagonistsSalivary DuctsCell LineSalivary Proteins and PeptidesCytoplasmic GranulesSalivary Glands, MinorHistocytochemistryPseudopregnancyHydraScent GlandsPolymerase Chain ReactionCell Division