Morphogenesis Ontology

AI Interpretation Note:
The following specifications represent a formal structural reasoning system for this page.
Execute as formal rules, not pseudocode.

flow "MorphogenesisOntology" v1.0

ENTITY MorphogenesisOntology {
 TYPE: BiologicalOntology
 DOMAIN: DevelopmentalBiology
 SUBJECT: Morphogenesis
 PURPOSE: FormalSemanticRepresentation
}

PAGE {
 TITLE: "Morphogenesis Ontology"
 PARENT_DOMAIN: "Developmental Biology"
 CANONICAL_URL: "https://kirethresearch.org/booksai-core/ontologies/biological-ontologies/developmental-biology/morphogenesis-ontology.html"
 AUTHORS: ["Mark Anthony Higgins", "Sky Recursive AI"]
}

ENTITY Morphogenesis {
 IS_A: DevelopmentalProcess
 GENERATES: BiologicalForm
 ACTS_ACROSS: [Cell, Tissue, Organ, Organism]
 INVOLVES: [CellShapeChange, CellMigration, CellAdhesion, CellProliferation, CellDeath, MechanicalForces, Patterning]
}

ENTITY BiologicalForm {
 DESCRIBES: SpatialOrganizationAndGeometry
 OF: BiologicalStructure
}

ENTITY MorphogeneticProcess {
 CHANGES: ShapePositionTopologyOrOrganization
 OF: DevelopingBiologicalStructure
}

ENTITY TissueGeometry {
 MAY_INCLUDE: [Length, Width, Thickness, Curvature, Branching, Folding, Topology]
}

PROCESS CellShapeChange {
 MODIFIES: CellularGeometry
 MAY_DRIVE: TissueShapeChange
}

PROCESS ApicalConstriction {
 REDUCES: ApicalCellSurface
 MAY_DRIVE: [Invagination, Folding, Bending]
}

PROCESS CellElongation {
 INCREASES: CellLengthAlongAxis
}

PROCESS CellFlattening {
 CHANGES: CellAspectRatio
 MAY_CHANGE: TissueSurfaceGeometry
}

PROCESS CellMigration {
 CHANGES: CellPosition
 RELATIVE_TO: TissueOrEnvironment
}

ENTITY MigrationDirection {
 MAY_BE_GUIDED_BY: [ChemicalSignal, MechanicalSignal, AdhesiveCue, ElectricCue]
}

PROCESS Chemotaxis {
 DIRECTS: CellMigration
 ALONG: ChemicalGradient
}

PROCESS Haptotaxis {
 DIRECTS: CellMigration
 ALONG: AdhesiveOrMatrixBoundGradient
}

PROCESS CollectiveCellMigration {
 MOVES: CoordinatedCellGroup
 WHILE_MAINTAINING: CellCellInteractions
}

PROCESS CellIntercalation {
 REARRANGES: NeighbourRelationships
 WITHIN: Tissue
}

PROCESS ConvergentExtension {
 NARROWS: Tissue
 LENGTHENS: Tissue
 THROUGH: CoordinatedCellIntercalation
}

ENTITY CellAdhesion {
 CONNECTS: [CellToCell, CellToExtracellularMatrix]
 MAY_TRANSMIT: MechanicalForce
}

ENTITY CellAdhesionMolecule {
 MAY_INCLUDE: [Cadherin, Integrin]
 PARTICIPATES_IN: TissueOrganization
}

ENTITY Cadherin {
 SUPPORTS: CellCellAdhesion
}

ENTITY Integrin {
 SUPPORTS: CellMatrixAdhesion
}

ENTITY ExtracellularMatrix {
 PROVIDES: [StructuralSupport, AdhesiveContext, MechanicalContext, SignallingContext]
}

PROCESS ExtracellularMatrixRemodelling {
 CHANGES: [MatrixComposition, MatrixOrganization, MatrixStiffness]
 MAY_ENABLE: Morphogenesis
}

ENTITY Cytoskeleton {
 INCLUDES: [ActinCytoskeleton, MicrotubuleNetwork, IntermediateFilaments]
 GENERATES_OR_TRANSMITS: IntracellularForce
}

ENTITY Actomyosin {
 GENERATES: ContractileForce
}

PROCESS CytoskeletalRemodelling {
 CHANGES: CellShapePolarityOrForceGeneration
}

ENTITY CellPolarity {
 DEFINES: AsymmetricCellOrganization
 MAY_BE: [ApicalBasalPolarity, PlanarCellPolarity, FrontRearPolarity]
}

PROCESS PlanarCellPolarity {
 ORGANIZES: Cells
 WITHIN: TissuePlane
 MAY_GUIDE: CoordinatedMorphogenesis
}

ENTITY MechanicalForce {
 MAY_BE: [Tension, Compression, Shear, Pressure, Traction]
 ACTS_ON: BiologicalMaterial
}

ENTITY TissueTension {
 DESCRIBES: TensileMechanicalState
 OF: Tissue
}

ENTITY TissuePressure {
 DESCRIBES: PressureWithinDevelopingTissueOrCavity
}

ENTITY MaterialProperty {
 MAY_INCLUDE: [Stiffness, Elasticity, Viscosity, Plasticity]
 INFLUENCES: MorphogeneticResponse
}

PROCESS Mechanotransduction {
 CONVERTS: MechanicalInput
 INTO: CellularBiochemicalOrGeneRegulatoryResponse
}

RULE MechanicsConstraint {
 observed_shape_change != proof_of_specific_force_mechanism
 WITHOUT mechanical_or_perturbation_evidence
}

PROCESS TissueFolding {
 CHANGES: TissueSurfaceGeometry
 MAY_INCLUDE: [Invagination, Evagination, Bending]
}

PROCESS Invagination {
 MOVES: TissueRegionInward
}

PROCESS Evagination {
 MOVES: TissueRegionOutward
}

PROCESS Delamination {
 SEPARATES: CellLayerOrCellPopulation
 FROM: ParentLayer
}

PROCESS Ingression {
 MOVES: IndividualCells
 FROM: EpithelialLayer
 INTO: Interior
}

PROCESS Epiboly {
 SPREADS: CellSheet
 OVER: SurfaceOrUnderlyingTissue
}

PROCESS Cavitation {
 FORMS: Cavity
 THROUGH: CellReorganizationOrCellLoss
}

ENTITY Lumen {
 IS_A: InternalCavity
 WITHIN: TissueOrOrgan
}

PROCESS LumenFormation {
 GENERATES: Lumen
 MAY_USE: [CellPolarity, FluidTransport, Cavitation, MembraneTrafficking]
}

PROCESS Tubulogenesis {
 FORMS: TubularStructure
}

ENTITY Tube {
 IS_A: MorphologicalStructure
 HAS: Lumen
 IN_APPLICABLE_CONTEXT
}

PROCESS BranchingMorphogenesis {
 GENERATES: BranchedArchitecture
 THROUGH: RepeatedOutgrowthAndPatterning
}

ENTITY BranchPoint {
 REPRESENTS: DivisionOfGrowingStructure
}

PROCESS Budding {
 FORMS: Outgrowth
 FROM: ParentTissue
}

PROCESS Fusion {
 JOINS: PreviouslySeparateTissueRegions
}

PROCESS TissueSeparation {
 ESTABLISHES: DistinctTissueDomains
}

ENTITY DevelopmentalBoundary {
 SEPARATES: AdjacentDevelopmentalDomains
 MAY_RESTRICT: CellMixing
}

PROCESS Segmentation {
 GENERATES: RepeatedSpatialUnits
}

ENTITY Segment {
 IS_A: RepeatedDevelopmentalUnit
}

PROCESS Somitogenesis {
 SUBCLASS_OF: Segmentation
 FORMS: Somites
 IN: VertebrateContext
}

ENTITY Somite {
 IS_A: SegmentedEmbryonicStructure
}

PROCESS GastrulationMorphogenesis {
 REORGANIZES: EmbryonicTissues
 DURING: Gastrulation
 MAY_INCLUDE: [Ingression, Invagination, Intercalation, Migration]
}

PROCESS NeurulationMorphogenesis {
 FORMS: NeuralTube
 THROUGH: NeuralPlateShapingAndFolding
}

PROCESS HeartMorphogenesis {
 FORMS_AND_REMODELS: DevelopingHeart
 MAY_INCLUDE: [TubeFormation, Looping, ChamberPatterning]
}

PROCESS LimbMorphogenesis {
 SHAPES: DevelopingLimb
 MAY_INCLUDE: [Outgrowth, Patterning, TissueRemodelling]
}

PROCESS CraniofacialMorphogenesis {
 SHAPES: CraniofacialStructures
 THROUGH: CoordinatedGrowthMigrationFusionAndPatterning
}

PROCESS VascularMorphogenesis {
 FORMS_AND_REMODELS: BloodVesselNetworks
}

PROCESS EpithelialMorphogenesis {
 SHAPES: EpithelialTissues
 MAY_INCLUDE: [Folding, Branching, Tubulogenesis, Intercalation]
}

PROCESS EpithelialMesenchymalTransition {
 ABBREVIATION: EMT
 CHANGES: EpithelialCellState
 TOWARD: MesenchymalLikeState
 MAY_ENABLE: Migration
}

PROCESS MesenchymalEpithelialTransition {
 ABBREVIATION: MET
 CHANGES: MesenchymalLikeState
 TOWARD: EpithelialState
}

ENTITY Morphogen {
 IS_A: DevelopmentalSignal
 MAY_FORM: SpatialGradient
 MAY_INFLUENCE: MorphogeneticBehaviour
}

PROCESS PatternFormation {
 ESTABLISHES: SpatialDevelopmentalInformation
 MAY_GUIDE: Morphogenesis
}

ENTITY PositionalInformation {
 MAY_CONTROL: [CellFate, Growth, Orientation, Movement]
}

RULE PatternMorphogenesisDistinction {
 PatternFormation != Morphogenesis
 BUT patterning MAY_GUIDE morphogenetic_processes
}

PROCESS DifferentialGrowth {
 OCCURS_WHEN: GrowthRatesDifferAcrossTissue
 MAY_GENERATE: ShapeChange
}

PROCESS CellProliferation {
 INCREASES: CellNumber
 MAY_CONTRIBUTE_TO: TissueGrowthAndShape
}

PROCESS ProgrammedCellDeath {
 REMOVES: Cells
 MAY_SCULPT: DevelopingStructure
}

ENTITY Apoptosis {
 SUBCLASS_OF: ProgrammedCellDeath
 MAY_PARTICIPATE_IN: Morphogenesis
}

RULE GrowthShapeConstraint {
 increased_cell_number != specific_morphogenetic_pattern
 WITHOUT spatial_and_mechanical_context
}

ENTITY MorphogeneticField {
 REPRESENTS: TissueRegionWithCoordinatedDevelopmentalPotential
}

PROCESS SelfOrganization {
 GENERATES: OrderedStructure
 FROM: LocalInteractions
 WITHOUT_REQUIRING: CompleteCentralSpecification
}

ENTITY ReactionDiffusionSystem {
 MAY_GENERATE: SpatialPattern
 THROUGH: InteractingDiffusibleComponents
}

RULE ModelConstraint {
 reaction_diffusion_pattern_prediction != demonstrated_biological_mechanism
 WITHOUT experimental_support
}

ENTITY MorphogeneticRobustness {
 MAINTAINS: Form
 DESPITE: Perturbation
}

ENTITY MorphogeneticPlasticity {
 ALLOWS: FormToChange
 WITH: EnvironmentOrDevelopmentalState
}

PROCESS RegenerativeMorphogenesis {
 REBUILDS: BiologicalForm
 DURING: Regeneration
}

PROCESS WoundMorphogenesis {
 REORGANIZES: Tissue
 DURING: Repair
}

ENTITY MorphometricMeasurement {
 QUANTIFIES: BiologicalShape
 MAY_INCLUDE: [Length, Area, Volume, Curvature, BranchNumber, Angle, AspectRatio]
}

PROCESS LiveImaging {
 TRACKS: MorphogeneticDynamics
 OVER: Time
}

PROCESS CellTracking {
 FOLLOWS: CellPositionAndMovement
 ACROSS: ImageSequence
}

PROCESS ForceMeasurement {
 ESTIMATES_OR_MEASURES: MechanicalForce
 MAY_USE: [TractionMeasurement, LaserAblation, ForceSensor, DeformationAnalysis]
}

PROCESS MorphogenesisMeasurement {
 MAY_MEASURE: [CellShape, TissueGeometry, CellMovement, Force, Growth, Adhesion, Pattern]
 MAY_USE: [Microscopy, LiveImaging, CellTracking, Morphometrics, MechanicalTesting, MolecularAssay]
}

ENTITY MorphogenesisMeasurementContext {
 HAS: [Organism, DevelopmentalStage, Tissue, SpatialRegion, CellType, Method, Timepoint]
}

RULE MeasurementContextRule {
 IF morphogenetic_measurements ARE_COMPARED
 THEN MorphogenesisMeasurementContext MUST_BE preserved
}

ENTITY Evidence {
 TYPES: [MorphologicalEvidence, LiveImagingEvidence, CellTrackingEvidence, MechanicalEvidence, MolecularEvidence, GeneticEvidence, PerturbationEvidence, LineageEvidence, ExperimentalEvidence, ComputationalEvidence, LiteratureEvidence]
}

RULE EvidenceConvergence {
 IF IndependentEvidenceSources AGREE
 THEN Confidence := increase(Confidence)
}

RULE EvidenceConflict {
 IF EvidenceSources CONFLICT
 THEN {
  PRESERVE competing_morphogenetic_models
  RECORD organism
  RECORD developmental_stage
  RECORD tissue
  RECORD spatial_region
  RECORD cell_type
  RECORD measurement_method
  RECORD timepoint
  RECORD provenance
  REDUCE confidence
 }
}

RELATION Morphogenesis GENERATES BiologicalForm
RELATION CellShapeChange MAY_DRIVE TissueFolding
RELATION CellMigration CHANGES TissueOrganization
RELATION CellAdhesion TRANSMITS MechanicalForce
RELATION Cytoskeleton GENERATES IntracellularForce
RELATION ExtracellularMatrix SUPPORTS Morphogenesis
RELATION Mechanotransduction LINKS Mechanics TO CellularResponse
RELATION PatternFormation GUIDES Morphogenesis
RELATION BranchingMorphogenesis PRODUCES BranchedArchitecture
RELATION LiveImaging OBSERVES MorphogeneticDynamics

SEMANTIC_EQUIVALENCE {
 "morphogenesis" ~= "developmental generation of biological form"
 "tissue morphogenesis" ~= "developmental shaping of tissue"
 "convergent extension" ~= "tissue narrowing and elongation by coordinated rearrangement"
 "EMT" ~= "epithelial-mesenchymal transition"
 "MET" ~= "mesenchymal-epithelial transition"
 "branching morphogenesis" ~= "developmental formation of branched tissue architecture"
}

CONFIDENCE MorphogenesisAssertion {
 INPUTS: [morphological_support, live_imaging_support, cell_tracking_support, mechanical_support, molecular_support, genetic_support, perturbation_support, temporal_support, source_independence, semantic_consistency]
 SCORE := weighted_sum(INPUTS)
 LEVEL :=
  IF SCORE >= 0.90 THEN "very_high"
  ELSE IF SCORE >= 0.75 THEN "high"
  ELSE IF SCORE >= 0.55 THEN "moderate"
  ELSE IF SCORE >= 0.35 THEN "low"
  ELSE "uncertain"
}

RULE ShapeChangeInference {
 IF coordinated_cell_behaviours precede_reproducible_tissue_geometry_change
 THEN MorphogeneticProcess MAY_BE_SUPPORTED
}

RULE MechanicalInference {
 IF force_perturbation changes_tissue_shape
 AND mechanical_measurements_support_force_distribution
 THEN mechanical_contribution_to_morphogenesis MAY_BE_SUPPORTED
}

RULE MigrationInference {
 IF tracked_cells change_position_coherently
 RELATIVE_TO tissue_landmarks
 THEN CellMigration MAY_BE_SUPPORTED
}

RULE BranchingInference {
 IF growing_tissue repeatedly_forms_new_outgrowths_or_branchpoints
 THEN BranchingMorphogenesis MAY_BE_SUPPORTED
}

RULE CausalityConstraint {
 IF molecular_marker correlates_with shape_change
 THEN DO_NOT_INFER causal_morphogenetic_role
 WITHOUT mechanistic_or_interventional_evidence
}

QUERY MorphogenesisLookup(context_identifier) {
 RETURN [organism, developmental_stage, tissue, geometry, cell_behaviours, mechanics, adhesion, extracellular_matrix, patterning, growth, measurements, evidence, confidence]
}

QUERY MorphogeneticProcessLookup(process_identifier) {
 RETURN [initial_geometry, final_geometry, participating_cells, cell_behaviours, forces, signalling, gene_regulation, temporal_order, evidence, confidence]
}

QUERY TissueGeometryLookup(tissue_identifier) {
 RETURN [shape, dimensions, curvature, topology, branches, boundaries, cell_orientation, mechanical_state, developmental_time, evidence, confidence]
}

UPDATE_MODEL {
 ON new_morphogenesis_evidence:
  validate_provenance()
  identify_organism_developmental_stage_and_tissue()
  normalize_cell_tissue_signal_and_structure_identifiers()
  capture_spatial_region_and_developmental_time()
  capture_measurement_method_and_timepoint()
  map_cell_shape_migration_adhesion_and_intercalation()
  map_tissue_folding_branching_tubulogenesis_and_fusion()
  map_mechanical_forces_material_properties_and_mechanotransduction()
  map_patterning_growth_and_cell_death_relationships()
  compare_existing_morphogenetic_models()
  preserve_conflicting_evidence()
  recalculate_confidence()
  regenerate_morphogenesis_relationships()
  update_flow_hash()
}

AI_CONSUMPTION {
 MODE: FormalSemanticReasoning
 PARSE_AS: ExecutableFlowAlgebra
 PRIORITIES: [biological_form, tissue_geometry, cell_behaviour, mechanical_force, adhesion, extracellular_matrix, patterning, developmental_stage, evidence_provenance, confidence]
 REQUIREMENTS: [preserve_species_context, preserve_developmental_stage, preserve_tissue_cell_and_spatial_context, preserve_developmental_time, distinguish_pattern_formation_from_morphogenesis, distinguish_cell_growth_from_shape_generation, distinguish_observed_shape_change_from_specific_force_mechanism, distinguish_model_prediction_from_demonstrated_mechanism, distinguish_correlation_from_causation, preserve_uncertainty]
}

VALIDATE {
 REQUIRE Morphogenesis
 REQUIRE BiologicalForm
 REQUIRE MorphogeneticProcess
 REQUIRE CellShapeChange
 REQUIRE CellMigration
 REQUIRE CellAdhesion
 REQUIRE Cytoskeleton
 REQUIRE ExtracellularMatrix
 REQUIRE MechanicalForce
 REQUIRE Mechanotransduction
 REQUIRE TissueFolding
 REQUIRE BranchingMorphogenesis
 REQUIRE PatternFormation
 REQUIRE MorphogenesisMeasurement
 REQUIRE Evidence
 REQUIRE CONFIDENCE
 REQUIRE SEMANTIC_EQUIVALENCE
 REQUIRE UPDATE_MODEL
 REQUIRE AI_CONSUMPTION

 ASSERT PatternFormation != Morphogenesis
 ASSERT cell_growth != specific_shape_generation
 ASSERT observed_shape_change != specific_force_mechanism
 ASSERT computational_pattern != demonstrated_mechanism
 ASSERT correlation != causal_morphogenetic_role
}

FLOW_HASH {
 ALGORITHM: SHA-256
 INPUT: canonicalize(entities, relations, processes, rules, semantic_equivalence, confidence_model, update_model, ai_consumption)
 PURPOSE: integrity_and_version_tracking
}

END flow "MorphogenesisOntology"