Pharyngeal MusclesPharynxCaenorhabditis elegansEsophageal Sphincter, UpperCaenorhabditis elegans ProteinsMusclesDeglutitionLaryngeal MusclesPharyngeal NeoplasmsPharyngeal DiseasesGene Expression Regulation, DevelopmentalSalivary GlandsMuscle ProteinsBranchial RegionMuscle, SmoothMuscle, SkeletalGenes, HomeoboxMuscle Fibers, SkeletalHomeodomain ProteinsMuscle, Smooth, VascularMutationMolecular Sequence DataMammary Glands, AnimalMuscle ContractionMuscle DevelopmentExocrine GlandsSubmandibular GlandBase SequenceTranscription Factors