Table 1 Comparison of shh expression domains in equivalent axial structures of studied amniotes during notochord formation (HH/mammalian stage 5/6)
From: Divergent axial morphogenesis and early shh expression in vertebrate prospective floor plate
Organizer level | Notochord level | ||||
|---|---|---|---|---|---|
Posterior | Mid | Anterior | |||
Rabbit | Dorsal | + (node-epibl) | − (floorpl) | − (floorpl) | − (floorpl) |
Ventral | + (node-mes) | + (not) | + (not) | + (not/pm) | |
Chick | Dorsal | + (node-epibl) | + (floorpl) | + (floorpl) | − (floorpl) |
Ventral | − (node-mes) | − (not) | + (not) | + (not/pm) | |