diff --git a/src/ontology/uberon-edit.obo b/src/ontology/uberon-edit.obo
index 04a9b53120..5d32a92508 100644
--- a/src/ontology/uberon-edit.obo
+++ b/src/ontology/uberon-edit.obo
@@ -182196,7 +182196,7 @@ synonym: "pain receptor" RELATED [https://meshb.nlm.nih.gov/record/ui?ui=D009619
 xref: MESH:D009619
 intersection_of: UBERON:0012451 ! sensory receptor
 intersection_of: capable_of GO:0050966 ! detection of mechanical stimulus involved in sensory perception of pain
-relationship: part_of CL:0000198
+relationship: part_of CL:0000198 ! pain receptor cell
 
 [Term]
 id: UBERON:0035018
@@ -224503,6 +224503,39 @@ relationship: overlaps UBERON:0000949 ! endocrine system
 relationship: overlaps UBERON:0001016 ! nervous system
 property_value: dcterms-date "2023-08-29T10:49:45Z" xsd:dateTime
 
+[Term]
+id: UBERON:8600019
+name: placental basal plate
+def: "A maternal facing structure of the placenta, adjacent to the intervillous space. Major components of the placental basal plate include decidua basalis, fibrinoid, connective tissue, extravillous trophoblasts, and residues of degenerating villi and maternal vessels." [PMID:17059842, PMID:32108320]
+synonym: "PBP" RELATED ABBREVIATION [PMID:31002314]
+synonym: "placenta basal plate" EXACT [PMID:32108320]
+is_a: UBERON:0010000 ! multicellular anatomical structure
+relationship: dc-contributor https://orcid.org/0000-0001-6677-8489
+relationship: part_of UBERON:0001987 ! placenta
+relationship: present_in_taxon NCBITaxon:9443 {xref="PMID:31002314"} ! Primates
+property_value: dcterms-date "2023-09-14T08:19:13Z" xsd:dateTime
+
+[Term]
+id: UBERON:8600020
+name: placental septum
+def: "An extension of the basal plate that protrudes into the intervillous space, creating a system of grooves which delimit elevated areas, also known as cotyledons or maternal lobes." [doi:10.1007/978-3-030-84725-8, PMID:32108320]
+synonym: "placenta septum" EXACT [PMID:35190336]
+synonym: "placental septa" RELATED PLURAL [doi:10.1007/BF00406305]
+is_a: UBERON:0003037 ! septum
+relationship: adjacent_to UBERON:0010008 ! placental cotyledon
+relationship: dc-contributor https://orcid.org/0000-0001-6677-8489
+relationship: part_of UBERON:8600019 ! placental basal plate
+property_value: dcterms-date "2023-09-14T08:59:34Z" xsd:dateTime
+
+[Term]
+id: UBERON:8600021
+name: chorionic plate blood vessel
+def: "A blood vessel that is part of the chorionic plate." [https://www.ncbi.nlm.nih.gov/books/NBK53254/]
+intersection_of: UBERON:0001981 ! blood vessel
+intersection_of: part_of UBERON:0004027 ! chorionic plate
+relationship: dc-contributor https://orcid.org/0000-0001-6677-8489
+property_value: dcterms-date "2023-09-14T09:09:36Z" xsd:dateTime
+
 [Typedef]
 id: aboral_to
 name: aboral to