Applies to Definition Values
Assay performer
assay_performer 		Assay The person or agent who performs a given assay. (OBI:0001950) String
Base64 file contents
base64_file_contents 		File The Base64-encoded ASCII character string serialization of the file contents byte string. The encoding is specified by RFC 4648. (NCIT:C47879) String
Biospecimen age at event
biospecimen_age_at_event 		Biospecimen event The amount of time between the inception of a given biospecimen (typically extraction) and the given event. Typically denominated in number of days. (PATO:0000011) String
Biospecimen analyzed
biospecimen_analyzed 		Analysis process The biospecimen analyzed by an analysis process, in case the subject is a biospecimen. Biospecimen
Biospecimen storage location
biospecimen_storage_location 		Biospecimen collection study The location of storage of biospecimens during the period after collection but before measurement or analysis. (OBI:0302893) String
Cause of death
cause_of_death 		Study subject The most significant causative factor in the death of a given subject. Often but not always pertinent to the study of which the subject is a part, in the case of disease studies. (OPMI:0000543) String
Cell phenotype criterion marker
cell_phenotype_criterion_marker 		Cell phenotype criterion The chemical species whose presence or absence is the substance of a given cell phenotype criterion. Chemical species
Cell phenotype criterion polarity
cell_phenotype_criterion_polarity 		Cell phenotype criterion The value (typically positive or negative) stipulated by a given cell phenotype criterion. String
Cell phenotype symbol
cell_phenotype_symbol 		Cell phenotype A symbol string, not necessarily intended for verbalization in long-form speech or text, meant to summarize the intended meaning of a given cell phenotype. This is potentially an abbreviation of the full name. String
Chemical species quantified
chemical_species_quantified 		Quantification of chemical target expression The chemical species which is quantified by a given process. Chemical species
Chemical species symbol
chemical_species_symbol 		Chemical species A symbol string representation of the chemical species, or possibly a gene class of closely-related species (for example, BCL2 for a certain DNA segment, the corresponding mRNA molecule, and the corresponding protein product). String
Component study
component_study 		Study component The component study of the component relation. Investigation
Condition considered
condition_considered 		Diagnosis event The condition considered during a process of diagnosis. (BFO:0000016) String
Coordinate system orientation specification
coordinate_system_orientation_specification 		Plane coordinates reference system The description of the direction, on the object or area of interest, intended to correspond to the first coordinate positive axis, plus a description of the choice of which of the two orthogonal directions is intended to correspond to the second coordinate positive axis. (PATO:0000133) String
Coordinate system reference point
coordinate_system_reference_point 		Plane coordinates reference system The description of a single point, on the object or area of focus, which serves as a reference point for establishing an orthogonal (Euclidean similarity) coordinate system. (NCIT:C45793) String
Coordinate system reference point 1
coordinate_system_reference_point_1 		Plane coordinates reference system The intended first coordinate value of the coordinate-space point corresponding to the reference point. For orthogonal (Euclidean similarity) coordinate systems. (IAO:0000402) Float
Coordinate system reference point 2
coordinate_system_reference_point_2 		Plane coordinates reference system The intended second coordinate value of the coordinate-space point corresponding to the reference point. For orthogonal (Euclidean similarity) coordinate systems. (IAO:0000402) Float
Coordinate system unit
coordinate_system_unit 		Plane coordinates reference system A representation (e.g. 10 micrometers) of the length unit intended to correspond to the displacement in the coordinate space by the value 1. For orthogonal (Euclidean similarity) coordinate systems. (UO:0000001) String
Data file generation source process
data_file_generation_source_process 		Data file The measurement process which produced a given data file. Biospecimen data measurement process
Date of birth
date_of_birth 		Study subject The date of inception, in the case of a biological subject. (UBERON:0035946) Event date
Date of conclusion
date_of_conclusion 		Continuant The final date of the continuant's existence. (NCIT:C68617) Event date
Date of death
date_of_death 		Study subject The date of conclusion, in the case of a biological subject. (UBERON:0035944) Event date
Date of diagnosis
date_of_diagnosis 		Diagnosis event The date on which a diagnosis was made. (NCIT:C164339) Event date
Date of inception
date_of_inception 		Continuant The initial date of the continuant's existence. (NCIT:C68616) Event date
Date of intervention
date_of_intervention 		Intervention The date that a specific intervention was performed. (NCIT:C80454) Event date
Date of publication
date_of_publication 		Publication The date on which the publication process was completed. Event date
Diagnosis result
diagnosis_result 		Diagnosis result The empirical claim about a subject supported by an act of diagnosis (often epistemologically complex and multi-factorial). May be 'positive' or 'negative' for disease presence, or an indication of disease subtype presence (e.g. 'triple-negative' for the disease 'breast cancer'). (OGMS:0000073)
Document structure class
document_structure_class 		Publication See IAO. (IAO:0000310) String
Expression quantity
expression_quantity 		Quantification of chemical target expression A real (dimensionless) numerical value representing an amount with respect to some unit. (NCIT:C25256) Float
Extracted subspecimen
extracted_subspecimen 		Biospecimen collection process The subspecimen extracted during a given biospecimen collection process. Biospecimen
Feature subject
feature_subject 		Quantitative feature derivation process The entity that was subjected to the feature derivation or quantification process.
Feature value
feature_value 		Quantitative feature derivation process The quantity resulting from the quantification process. Float
Histological structure identification performer
histological_structure_identification_performer 		Histological structure identification process The person who identified a histological structure or operated software making such an identification. (OBI:0001950) String
Institution of activity
institution_of_activity 		Investigation The primary institution in which the investigation is carried out, which provides resources for the investigation, or which directs the conduct of the investigation. (OBI:0000828) Institution
Internet reference
internet_reference 		Publication A reference, typically a URL and often a DOI-formatted URL, that is issued by the publisher and refers to an at least partial digital representation of the publication. (SIO:000811) String
Marking antibody
marking_antibody 		Biological marking system The antibody used in the given marker/staining system. String
Maximal date of evidence
maximal_date_of_evidence 		Evaluation For an evaluation of activity or condition based on evidential factors of consideration, the most recent known date of creation of the evidence. If this date is accurately known, events after this date cannot bias the evaluation. For example, for a diagnosis based on a blood sample, X-rays, and a biopsy, if the blood sample was taken last, then the date of this sample is the maximal date of evidence. Event date
Mechanism of target marking
mechanism_of_target_marking 		Biological marking system The mechanism by which the given marker system renders the target antigen observable. (OBI:0003146) String
Primary study
primary_study 		Study component The primary study of the component relation. Investigation
Shape specification file format
shape_specification_file_format 		Coordinate shape specification The documented file format for a given shape specification file. String
Source biospecimen
source_biospecimen 		Biospecimen collection process The biospecimen from which a subspecimen was extracted during the given specimen collection process. Biospecimen
Specification of quantified feature
specification_of_quantified_feature 		Quantitative feature derivation process The specification for feature derivation which was used to carry out a given instance of quantification. Feature specification
Study specifier
study_specifier 		Investigation A short name for the study meant mainly for human-readable reference which disambiguates against other studies in the context of a single database instance. Specifier
Subject of quantification
subject_of_quantification 		Quantification of chemical target expression The histological structure which is the domain for the given expression quantification process. Histological structure
Subspecimen extraction site
subspecimen_extraction_site 		Biospecimen collection process The location on the source specimen from which a subspecimen is extracted. (BFO:0000029) String
Test probability value
test_probability_value 		Two-cohort feature association test See OBI. (OBI:0000175) Float