Respiratory System Ontology

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

flow "RespiratorySystemOntology" v1.0

ENTITY RespiratorySystemOntology {
 TYPE: BiologicalOntology
 DOMAIN: Physiology
 SUBJECT: RespiratorySystem
 PURPOSE: FormalSemanticRepresentation
}

PAGE {
 TITLE: "Respiratory System Ontology"
 PARENT_DOMAIN: "Physiology"
 CANONICAL_URL: "https://kirethresearch.org/booksai-core/ontologies/biological-ontologies/physiology/respiratory-system-ontology.html"
 AUTHORS: ["Mark Anthony Higgins", "Sky Recursive AI"]
}

ENTITY RespiratorySystem {
 IS_A: PhysiologicalSystem
 FUNCTIONS_IN: [Ventilation, GasExchange, OxygenUptake, CarbonDioxideElimination, AcidBaseRegulation]
 COMPOSED_OF: [Airways, Lungs, RespiratoryMuscles, GasExchangeSurfaces]
}

ENTITY Airway {
 CONDUCTS: RespiratoryGas
 MAY_INCLUDE: [NasalPassage, Pharynx, Larynx, Trachea, Bronchus, Bronchiole]
}

ENTITY Lung {
 IS_A: RespiratoryOrgan
 CONTAINS: [Airways, Alveoli, PulmonaryVasculature]
}

ENTITY Alveolus {
 IS_A: GasExchangeUnit
 INTERFACES_WITH: PulmonaryCapillary
}

ENTITY RespiratoryMembrane {
 SEPARATES: AlveolarGas
 FROM: PulmonaryCapillaryBlood
 ENABLES: GasDiffusion
}

PROCESS Ventilation {
 MOVES: Air
 BETWEEN: AtmosphereAndAlveoli
 INCLUDES: [Inspiration, Expiration]
}

PROCESS Inspiration {
 INCREASES: ThoracicVolume
 MAY_DECREASE: AlveolarPressure
 DRAWS_IN: Air
}

PROCESS Expiration {
 DECREASES: ThoracicVolume
 MAY_INCREASE: AlveolarPressure
 EXPELS: Air
}

ENTITY Diaphragm {
 IS_A: RespiratoryMuscle
 CONTRIBUTES_TO: Inspiration
}

ENTITY IntercostalMuscle {
 IS_A: RespiratoryMuscle
 CONTRIBUTES_TO: ThoracicVolumeChange
}

ENTITY TidalVolume {
 ABBREVIATION: VT
 DESCRIBES: AirVolumeMovedPerNormalBreath
}

ENTITY RespiratoryRate {
 ABBREVIATION: RR
 DESCRIBES: BreathsPerUnitTime
}

ENTITY MinuteVentilation {
 DESCRIBES: TotalVentilatedVolumePerUnitTime
}

RULE MinuteVentilationEquation {
 MinuteVentilation := TidalVolume * RespiratoryRate
}

ENTITY DeadSpace {
 DESCRIBES: VentilatedVolumeNotParticipatingInEffectiveGasExchange
}

ENTITY AlveolarVentilation {
 DESCRIBES: EffectiveVentilationOfGasExchangeRegions
}

RULE AlveolarVentilationEquation {
 AlveolarVentilation := (TidalVolume - DeadSpaceVolume) * RespiratoryRate
}

PROCESS PulmonaryGasExchange {
 TRANSFERS: [Oxygen, CarbonDioxide]
 BETWEEN: AlveolarGasAndPulmonaryBlood
}

PROCESS Diffusion {
 MOVES: Gas
 DOWN: PartialPressureGradient
}

ENTITY PartialPressure {
 DESCRIBES: ContributionOfGasToTotalPressure
}

RULE GasDiffusionRule {
 gas_transfer MAY_DEPEND_ON [
  partial_pressure_gradient,
  surface_area,
  membrane_thickness,
  diffusion_coefficient,
  perfusion
 ]
}

ENTITY Oxygen {
 SYMBOL: O2
 DIFFUSES_FROM: AlveolarGas
 TO: PulmonaryBlood
 UNDER typical_conditions
}

ENTITY CarbonDioxide {
 SYMBOL: CO2
 DIFFUSES_FROM: PulmonaryBlood
 TO: AlveolarGas
 UNDER typical_conditions
}

ENTITY PulmonaryCirculation {
 TRANSPORTS: Blood
 BETWEEN: HeartAndLungs
}

ENTITY PulmonaryCapillary {
 INTERFACES_WITH: Alveolus
 PARTICIPATES_IN: GasExchange
}

ENTITY Perfusion {
 DESCRIBES: BloodFlowThroughGasExchangeRegion
}

ENTITY VentilationPerfusionRatio {
 ABBREVIATION: VQ
 RELATES: AlveolarVentilation
 TO: PulmonaryPerfusion
}

RULE VQConstraint {
 ventilation_without_perfusion OR perfusion_without_ventilation
 MAY_REDUCE gas_exchange_efficiency
}

ENTITY Hemoglobin {
 IS_A: OxygenBindingProtein
 TRANSPORTS: Oxygen
 IN: Blood
}

ENTITY OxygenSaturation {
 DESCRIBES: FractionOfHemoglobinOxygenBindingSitesOccupied
}

ENTITY ArterialOxygenContent {
 DEPENDS_ON: [HemoglobinConcentration, OxygenSaturation, DissolvedOxygen]
}

PROCESS OxygenTransport {
 MOVES: Oxygen
 FROM: Lungs
 TO: Tissues
}

PROCESS CarbonDioxideTransport {
 MOVES: CarbonDioxide
 FROM: Tissues
 TO: Lungs
 MAY_USE: [DissolvedCO2, Bicarbonate, CarbaminoCompounds]
}

ENTITY Bicarbonate {
 SYMBOL: HCO3Minus
 IS_A: MajorCarbonDioxideTransportForm
}

ENTITY LungCompliance {
 DESCRIBES: ChangeInLungVolumePerPressureChange
}

ENTITY AirwayResistance {
 OPPOSES: Airflow
 DEPENDS_ON: [AirwayRadius, GasProperties, FlowRegime]
}

RULE AirwayRadiusRule {
 decreased_airway_radius MAY_INCREASE airway_resistance
}

ENTITY ElasticRecoil {
 CONTRIBUTES_TO: PassiveExpiration
}

ENTITY Surfactant {
 REDUCES: AlveolarSurfaceTension
 CONTRIBUTES_TO: AlveolarStability
}

ENTITY TypeIIAlveolarCell {
 PRODUCES: PulmonarySurfactant
}

PROCESS RespiratoryControl {
 REGULATES: Ventilation
 USING: NeuralAndChemicalSignals
}

ENTITY RespiratoryControlCenter {
 LOCATED_IN: Brainstem
 MODULATES: RespiratoryMotorOutput
}

ENTITY Chemoreceptor {
 MAY_RESPOND_TO: [CarbonDioxide, HydrogenIon, Oxygen]
 CONTRIBUTES_TO: VentilatoryControl
}

ENTITY CentralChemoreceptor {
 SUBCLASS_OF: Chemoreceptor
 STRONGLY_RESPONDS_TO: CarbonDioxideRelatedCNSPHChanges
}

ENTITY PeripheralChemoreceptor {
 SUBCLASS_OF: Chemoreceptor
 MAY_RESPOND_TO: [ArterialOxygen, CarbonDioxide, pH]
}

RULE VentilatoryFeedbackRule {
 changes_in_respiratory_chemical_state MAY_MODIFY ventilation
 THROUGH chemoreceptor_and_neural_control
}

PROCESS RespiratoryAcidBaseRegulation {
 MODULATES: CarbonDioxideElimination
 CONTRIBUTES_TO: PhysiologicalPHControl
}

RULE CarbonDioxidePHRelation {
 changes_in_carbon_dioxide MAY_SHIFT acid_base_state
 THROUGH bicarbonate_buffer_system
}

ENTITY LungVolume {
 MAY_INCLUDE: [TidalVolume, InspiratoryReserveVolume, ExpiratoryReserveVolume, ResidualVolume]
}

ENTITY LungCapacity {
 MAY_INCLUDE: [VitalCapacity, TotalLungCapacity, FunctionalResidualCapacity, InspiratoryCapacity]
}

ENTITY VitalCapacity {
 REPRESENTS: MaximumExpiredVolumeAfterMaximumInspiration
}

ENTITY ForcedExpiratoryVolume {
 ABBREVIATION: FEV
 DESCRIBES: ForcedExpiredVolumeOverSpecifiedTime
}

ENTITY ForcedVitalCapacity {
 ABBREVIATION: FVC
 DESCRIBES: ForcedVitalCapacityMeasurement
}

PROCESS Spirometry {
 MEASURES: DynamicLungVolumesAndFlows
}

ENTITY PulmonaryFunctionTest {
 MAY_MEASURE: [LungVolume, Airflow, DiffusingCapacity, GasExchange]
}

PROCESS RespiratoryAdaptation {
 MAY_OCCUR_IN_RESPONSE_TO: [Exercise, Altitude, EnvironmentalChange]
}

PROCESS ExerciseVentilatoryResponse {
 MAY_INCREASE: [Ventilation, OxygenUptake, CarbonDioxideElimination]
}

ENTITY Hypoxia {
 DESCRIBES: ReducedOxygenAvailabilityAtTissueOrSystemLevel
}

ENTITY Hypoxemia {
 DESCRIBES: ReducedArterialBloodOxygen
}

RULE HypoxiaHypoxemiaDistinction {
 Hypoxia != Hypoxemia
}

ENTITY Hypercapnia {
 DESCRIBES: ElevatedCarbonDioxideInBlood
}

ENTITY Hypocapnia {
 DESCRIBES: ReducedCarbonDioxideInBlood
}

PROCESS MucociliaryClearance {
 REMOVES: InhaledParticlesAndMaterial
 FROM: ConductingAirways
}

ENTITY Cilium {
 CONTRIBUTES_TO: MucociliaryTransport
}

ENTITY Mucus {
 TRAPS: InhaledParticles
}

PROCESS RespiratoryDefense {
 MAY_INCLUDE: [MucociliaryClearance, CoughReflex, ImmuneDefense]
}

PROCESS CoughReflex {
 EXPELS: AirAndAirwayMaterial
 IN_RESPONSE_TO: AirwayStimulus
}

PROCESS RespiratoryMeasurement {
 MAY_MEASURE: [
  RespiratoryRate,
  TidalVolume,
  MinuteVentilation,
  OxygenSaturation,
  BloodGas,
  Airflow,
  LungVolume,
  DiffusingCapacity
 ]
 MAY_USE: [Spirometry, PulseOximetry, BloodGasAnalysis, Capnography, Plethysmography]
}

ENTITY RespiratoryMeasurementContext {
 HAS: [Organism, PhysiologicalState, BodyPosition, Altitude, InspiredGas, Method, Unit, Timepoint]
}

RULE MeasurementContextRule {
 IF respiratory_measurements ARE_COMPARED
 THEN RespiratoryMeasurementContext MUST_BE preserved
}

ENTITY Evidence {
 TYPES: [
  RespiratoryEvidence,
  PulmonaryFunctionEvidence,
  BloodGasEvidence,
  PhysiologicalEvidence,
  ImagingEvidence,
  BiochemicalEvidence,
  ExerciseEvidence,
  ExperimentalEvidence,
  ComputationalEvidence,
  LiteratureEvidence
 ]
}

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

RULE EvidenceConflict {
 IF EvidenceSources CONFLICT
 THEN {
  PRESERVE competing_respiratory_models
  RECORD organism
  RECORD physiological_state
  RECORD body_position
  RECORD inspired_gas
  RECORD altitude
  RECORD measurement_method
  RECORD timepoint
  RECORD provenance
  REDUCE confidence
 }
}

RELATION RespiratorySystem PERFORMS Ventilation
RELATION Lung CONTAINS Alveolus
RELATION Alveolus INTERFACES_WITH PulmonaryCapillary
RELATION Ventilation SUPPLIES AlveolarGas
RELATION PulmonaryGasExchange TRANSFERS Oxygen
RELATION PulmonaryGasExchange TRANSFERS CarbonDioxide
RELATION Hemoglobin TRANSPORTS Oxygen
RELATION Chemoreceptor MODULATES RespiratoryControl
RELATION RespiratorySystem CONTRIBUTES_TO AcidBaseHomeostasis

SEMANTIC_EQUIVALENCE {
 "respiratory system" ~= "pulmonary respiratory system" WHEN physiological_context
 "ventilation" ~= "movement of respiratory gas between atmosphere and lungs"
 "gas exchange" ~= "pulmonary respiratory gas transfer" WHEN lung_context
 "V/Q ratio" ~= "ventilation-perfusion ratio"
 "RR" ~= "respiratory rate"
 "VT" ~= "tidal volume"
}

CONFIDENCE RespiratorySystemAssertion {
 INPUTS: [
  pulmonary_function_support,
  blood_gas_support,
  physiological_support,
  imaging_support,
  biochemical_support,
  ventilatory_support,
  measurement_quality,
  replication,
  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 VentilationInference {
 IF TidalVolume AND RespiratoryRate ARE_KNOWN
 THEN MinuteVentilation MAY_BE_CALCULATED
}

RULE GasExchangeInference {
 IF alveolar_and_blood_partial_pressure_gradients_are_present
 AND respiratory_membrane_is_functional
 THEN gas_diffusion MAY_OCCUR
}

RULE OxygenationInference {
 IF arterial_oxygen_saturation_and_hemoglobin_are_known
 THEN oxygen_content MAY_BE_ESTIMATED
 WITH appropriate_model
}

RULE ControlInference {
 IF chemical_perturbation changes_chemoreceptor_activity
 AND ventilation_changes_reproducibly
 THEN respiratory_control_relationship MAY_BE_SUPPORTED
}

RULE CausalityConstraint {
 IF respiratory_variable correlates_with physiological_outcome
 THEN DO_NOT_INFER causal_relationship
 WITHOUT mechanistic_or_interventional_evidence
}

QUERY RespiratorySystemLookup(context_identifier) {
 RETURN [
  airways,
  lungs,
  ventilation,
  alveolar_ventilation,
  pulmonary_perfusion,
  gas_exchange,
  oxygen_transport,
  carbon_dioxide_transport,
  respiratory_control,
  acid_base_role,
  measurements,
  evidence,
  confidence
 ]
}

QUERY PulmonaryFunctionLookup(context_identifier) {
 RETURN [
  respiratory_rate,
  tidal_volume,
  minute_ventilation,
  lung_volumes,
  lung_capacities,
  airflow,
  airway_resistance,
  compliance,
  diffusing_capacity,
  evidence,
  confidence
 ]
}

QUERY GasExchangeLookup(context_identifier) {
 RETURN [
  alveolar_oxygen,
  alveolar_carbon_dioxide,
  arterial_oxygen,
  arterial_carbon_dioxide,
  oxygen_saturation,
  ventilation_perfusion_relationship,
  diffusion,
  perfusion,
  evidence,
  confidence
 ]
}

UPDATE_MODEL {
 ON new_respiratory_evidence:
  validate_provenance()
  identify_organism_and_physiological_state()
  normalize_airway_lung_and_gas_identifiers()
  normalize_units()
  capture_body_position_altitude_and_inspired_gas()
  capture_measurement_method_and_timepoint()
  map_ventilation_and_lung_mechanics()
  map_gas_exchange_and_transport()
  map_chemoreceptor_and_neural_control()
  map_acid_base_relationships()
  compare_existing_respiratory_models()
  preserve_conflicting_evidence()
  recalculate_confidence()
  regenerate_respiratory_relationships()
  update_flow_hash()
}

AI_CONSUMPTION {
 MODE: FormalSemanticReasoning
 PARSE_AS: ExecutableFlowAlgebra
 PRIORITIES: [
  respiratory_structure,
  ventilation,
  gas_exchange,
  oxygen_transport,
  carbon_dioxide_transport,
  ventilation_perfusion,
  respiratory_control,
  acid_base_context,
  measurement_context,
  evidence_provenance,
  confidence
 ]
 REQUIREMENTS: [
  preserve_species_context,
  preserve_airway_and_lung_region,
  preserve_physiological_state,
  preserve_body_position_and_altitude,
  preserve_inspired_gas_context,
  distinguish_ventilation_from_gas_exchange,
  distinguish_hypoxia_from_hypoxemia,
  distinguish_oxygen_saturation_from_oxygen_content,
  distinguish_correlation_from_causation,
  preserve_uncertainty
 ]
}

VALIDATE {
 REQUIRE RespiratorySystem
 REQUIRE Airway
 REQUIRE Lung
 REQUIRE Alveolus
 REQUIRE Ventilation
 REQUIRE AlveolarVentilation
 REQUIRE PulmonaryGasExchange
 REQUIRE PulmonaryCirculation
 REQUIRE OxygenTransport
 REQUIRE CarbonDioxideTransport
 REQUIRE RespiratoryControl
 REQUIRE RespiratoryAcidBaseRegulation
 REQUIRE Evidence
 REQUIRE CONFIDENCE
 REQUIRE SEMANTIC_EQUIVALENCE
 REQUIRE UPDATE_MODEL
 REQUIRE AI_CONSUMPTION

 ASSERT Ventilation != PulmonaryGasExchange
 ASSERT Hypoxia != Hypoxemia
 ASSERT OxygenSaturation != ArterialOxygenContent
 ASSERT respiratory_rate != minute_ventilation
 ASSERT correlation != causal_relationship
}

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 "RespiratorySystemOntology"