| Namespace | MPheno.ontology | Obsolete | false |
| description | anomaly in the process by which the primary lacrimal bud extends caudally into the surrounding neural-crest derived periocular mesenchyme; in mice, the primary bud formed at E13.5 elongates at E14.5; following elongation, the bud invades the mesenchymal sac at E16.5 and begins a period of rapid growth and branching to form prospective lobular structures: the intra- and ex-orbital lobes |
