Placenta AccretaChorionic VilliDiencephalonPlacentaMesencephalonPregnancyChick EmbryoGrowth PlateBone PlatesPollen TubeNeural Tube DefectsNeural TubeFallopian TubesEustachian TubeChest TubesNeural PlateFallopian Tube NeoplasmsIntubation, GastrointestinalIntubation, IntratrachealFracture Fixation, InternalGene Expression Regulation, DevelopmentalEnteral NutritionAgarBody PatterningFallopian Tube DiseasesNervous SystemPollenNeural CrestIn Situ HybridizationGastrostomyLiliumBacteriological TechniquesMorphogenesisCulture MediaEmbryonic InductionFallopian Tube Patency TestsEquipment DesignThoracostomyEctodermMesodermTime FactorsEpiphysesCentral Nervous SystemChondrocytesHedgehog ProteinsTibiaEmbryo, NonmammalianIntubationNeurulationMolecular Sequence DataZebrafishBone DevelopmentHomeodomain ProteinsQuailFracture HealingXenopus ProteinsClavicleBone ScrewsBlood Specimen CollectionGastrulaEvaluation Studies as TopicCell DifferentiationAnencephalyCell MovementTranscription FactorsCartilageColony Count, MicrobialMicroscopy, Electron, Scanning