Table 1.

: PAT Terminologies

Group	Category	Terminology	Source
Clinical	Pathology	Placental Lesion Classification	Dr. Raymond Redline
	Disorder	Disease Ontology	http://disease-ontology.org/
		NCI Thesaurus Placental Disorders	https://ncit.nci.nih.gov/
		NCI Thesaurus Pregnancy Disorders	https://ncit.nci.nih.gov/
		SNOMED Placental Disorders	http://browser.ihtsdotools.org/
		SNOMED Pregnancy Complications & Disorders	http://browser.ihtsdotools.org/
		SNOMED Trophoblastic Neoplasm	http://browser.ihtsdotools.org/
	Finding	Human Phenotype Ontology	https://hpo.jax.org/app/
		NCI Thesaurus Placental Findings	https://ncit.nci.nih.gov/
		NCI Thesaurus Pregnancy Findings	https://ncit.nci.nih.gov/
		SNOMED Placental Findings	http://browser.ihtsdotools.org/
Structural	Anatomy	NCI Thesaurus Placental Anatomy	https://ncit.nci.nih.gov/
		SNOMED Placental Anatomy	http://browser.ihtsdotools.org/
	Cell Type	PAT Cell Type Ontology	PAT Content Team and ESCP
Molecular Function & Attributes	Genetic Variance	PAT Genetic Variance	PAT Content Team and ESCP
	Biological Process	NCI Thesaurus Biological Processes	https://ncit.nci.nih.gov/
Methods, Procedures, & Techniques	Investigative Technique	PAT Investigative Technique	PAT Content Team and ESCP