name GO_0043667 namespace http://purl.org/obo/owl/GO# parent GO_0044420 label [en] pollen wall comment [] Note that this term is a child of 'extracellular matrix part ; GO:0044420' rather than the more specific middle lamella-containing extracellular matrix ; GO:0048196', because unlike the usual plant cell wall, the pollen wall does not contain a middle lamella, as specified in the definition of 'middle lamella-containing extracellular matrix ; GO:0048196'. hasOBONamespace [] cellular_component