diff --git a/src/ontology/uberon-edit.obo b/src/ontology/uberon-edit.obo
index d8fbd856e5..6fb7b62d61 100644
--- a/src/ontology/uberon-edit.obo
+++ b/src/ontology/uberon-edit.obo
@@ -128290,6 +128290,7 @@ xref: NCIT:C33426
 xref: SCTID:361365004
 xref: UMLS:C0225696 {source="ncithesaurus:Pulmonary_Acinus"}
 xref: Wikipedia:Acinus#The_Lungs
+is_a: UBERON:0001062 ! anatomical entity
 relationship: connected_to UBERON:0002187 ! terminal bronchiole
 relationship: part_of UBERON:0010369 ! secondary pulmonary lobule
 
@@ -224404,6 +224405,7 @@ def: "The posterior sector of the right lobe of the liver." [PMID:30992874]
 synonym: "lateral sector of right lobe of liver" EXACT [PMID:24453062]
 synonym: "liver right lateral lobe" RELATED [https://orcid.org/0000-0002-6443-9376]
 synonym: "right hepatic posterior sector" EXACT [PMID:30487943]
+is_a: UBERON:0001062 ! anatomical entity
 relationship: dc-contributor https://orcid.org/0000-0001-6677-8489
 relationship: dc-contributor https://orcid.org/0000-0002-6443-9376
 relationship: part_of UBERON:0001114 ! right lobe of liver
@@ -224416,6 +224418,7 @@ def: "The anterior sector of the right lobe of the liver." [PMID:30992874]
 synonym: "liver right medial lobe" RELATED [https://orcid.org/0000-0002-6443-9376]
 synonym: "medial sector of right lobe of liver" EXACT [PMID:24453062]
 synonym: "right hepatic anterior sector" EXACT [PMID:30487943]
+is_a: UBERON:0001062 ! anatomical entity
 relationship: dc-contributor https://orcid.org/0000-0001-6677-8489
 relationship: part_of UBERON:0001114 ! right lobe of liver
 property_value: dcterms-date "2023-05-15T10:52:39Z" xsd:dateTime