Probe:

Spry4 probe1

Structure	Level	Pattern	Image	Note
TS12: future midbrain	Present		2G
TS12: primitive streak	Present		2G
TS12: future prosencephalon	Present		2G	Expression was detected in the rostral forebrain.
TS12: future hindbrain	Present		2G	Expression is detected in the anterior hindbrain and in cells lateral to the posterior hindbrain.

Structure	Level	Pattern	Image	Note
TS15: future forebrain	Present		2H	Expression is detected in the rostral forebrain.
TS15: branchial arch	Present		2H
TS15: forelimb bud	Present		2H
TS15: tail unsegmented mesenchyme	Present		2H	Expression is seen in a distinct stripe that appears to mark the region of presomitic mesoderm in which the next somite will segment.

Structure	Level	Pattern	Image	Note
TS17: branchial arch	Present		2I
TS17: forebrain	Present		2I
TS17: forelimb bud	Present		2I
TS17: fronto-nasal process	Present		2I
TS17: hindlimb bud	Present		2I
TS17: tail	Present		2I
TS17: trunk somite	Present		2I

Structure	Level	Pattern	Image	Note
TS11: primitive streak	Present	Graded	3H

Structure	Level	Pattern	Image	Note
TS11: primitive streak	Present	Graded	3I	Highest expression levels were localized in the nascent mesoderm.

Structure	Level	Pattern	Image	Note
TS11: primitive streak	Absent		3K