I think it is due to the '&' in the content of rdfs:comment:
From Witten & Huysseune (2007): 'Two zones have been recognized in these camptotrichia: a superficial region of acellular fibrous bone, and a deep, mostly unmineralized, zone (Géraudie and Meunier 1982).'
The ontology is fine. I think it is a problem with escaping in the HTML generation in Ontobee.
'camptotrichium' from Uberon:
http://www.ontobee.org/ontology/UBERON?iri=http://purl.obolibrary.org/obo/UBERON_4400007
I think it is due to the '&' in the content of
rdfs:comment
:The ontology is fine. I think it is a problem with escaping in the HTML generation in Ontobee.
cc @wdahdul