Name:	brain
Synonyms:	brain structure
Definition:	Cavitated compound organ which is comprised of gray and white matter and surrounds the cerebral ventricular system.
Ontology:	Anatomy Ontology [ZFA:0000008]

Name:	1-oleoyl-2-palmitoyl-sn-glycero-3-phosphoethanolamine
Synonyms:	(2R)-3-{[(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-2-(hexadecanoyloxy)propyl (9Z)-octadec-9-enoate, (2R)-3-{[(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-2-(palmitoyloxy)propyl (9Z)-octadec-9-enoate, 1-(9Z)-octadecenoyl-2-hexadecanoyl-sn-glycero-3-phosphoethanolamine, 1-(9Z-octadecenoyl)-2-hexadecanoyl-sn-glycero-3-phosphoethanolamine, GPEtn(18:1/16:0), GPEtn(18:1n9/16:0), GPEtn(18:1w9/16:0), GPEtn(34:1), PE(18:1(9Z)/16:0), PE(18:1/16:0), PE(18:1n9/16:0), PE(18:1w9/16:0), PE(34:1), Phosphatidylethanolamine(18:1/16:0), Phosphatidylethanolamine(18:1n9/16:0), Phosphatidylethanolamine(18:1w9/16:0), Phosphatidylethanolamine(34:1)
Definition:	A 1,2-diacyl-sn-glycero-3-phosphoethanolamine in which the 1- and 2-acyl groups are specified as oleoyl and palmitoyl respectively.
Ontology:	ChEBI [CHEBI:82839] ( EBI )

Name:	absent
Synonyms:	absence, absent from organism
Definition:	A quality denoting the lack of an entity.
Ontology:	Phenotypic Quality Ontology [PATO:0000462]