Table 1.

In Situ Expression Patterns of Identified Clones

Pattern groups	6–10 somite	16–20 somite
Hatching glands	46 (30.3%)	44 (28.9%)
Notochord	63 (47.4%)	51 (33.6%)
Floor plate	n.d.	17 (11.2%)
Hypochord	n.a.	11 (7.2%)
Somites	21 (13.8%)	22 (14.5%)
Lateral plate mesoderm/pronephros	6 (3.9%)	6 (3.9%)
Nervous system/sensory organs	9 (5.9%)	13 (8.5%)
Sum of axial structuresa	85 (55.9%)	81 (53.3%)

^aHatching glands and/or notochord/floor plate/hypochord