zone of polarizing activity of pectoral appendage
Go to external page http://purl.obolibrary.org/obo/UBERON_0005415
A zone of polarizing activity that is part of a pectoral appendage bud mesenchyme. [ OBOL:automatic ]
Synonyms: anterior ZPA pectoral ZPA fore ZPA
Term information
- ZFA:0001451
- TAO:0001451
A small group of mesodermal cells located at the posterior margin of the developing fin bud. the ZPA is thought to produce retinoic acid and thereby provides positional information to the developing bud. Gibert et al., 2006.[TAO]