Probe:	IMAGE clone 919795
Probe preparation:	Antisense labelled with digoxigenin RNA

Structure	Level	Pattern	Image	Note
TS12: primitive streak	Present		2A

Structure	Level	Pattern	Image	Note
TS12: primitive streak	Present		2B

Structure	Level	Pattern	Image	Note
TS15: 1st branchial arch mandibular component	Present		2C
TS15: 1st branchial arch maxillary component	Present		2C
TS15: olfactory placode	Present		2C
TS15: tail unsegmented mesenchyme	Present		2C
TS15: 2nd branchial arch	Present	Regionally restricted	2C	Expression is in the posterior part of the hyoid arch.
TS15: limb	Present	Regionally restricted	2C	Expression in the progress zone of the limb buds.

Structure	Level	Pattern	Image	Note
TS15: limb	Present	Regionally restricted	2D

Structure	Level	Pattern	Image	Note
TS15: tail unsegmented mesenchyme	Present		2E

Structure	Level	Pattern	Image	Note
TS17: 1st branchial arch mandibular component	Present		2F
TS17: 1st branchial arch maxillary-mandibular groove	Present		2F
TS17: tail unsegmented mesenchyme	Present		2F
TS17: nose	Present	Regionally restricted	2F	Expression nasal placodes.
TS17: 2nd branchial arch	Present	Regionally restricted	2F	Expression in the posterior part of the hyoid arch.
TS17: limb	Present	Regionally restricted	2F	Expression in the progress zone of the limb buds.

Structure	Level	Pattern	Image	Note
TS19: inner ear	Present	Regionally restricted	2G	Expression in the otic vesicle.
TS19: trunk somite	Present	Regionally restricted	2G	Expression in the dorso-lateral region of the somites.

Structure	Level	Pattern	Image	Note
TS19: mandibular process mesenchyme	Present		3A
TS19: maxillary process mesenchyme	Present		3A
TS19: oral epithelium	Absent		3A	Absent in the epithelium of the mandibular and maxillary processes.
TS19: palatal shelf epithelium	Absent		3A	Absent in the epithelium of the mandibular and maxillary processes.

Structure	Level	Pattern	Image	Note
TS19: handplate ectoderm	Present		3B
TS19: handplate mesenchyme	Present	Regionally restricted	3B	Expression in the progress zone.
TS19: handplate apical ectodermal ridge	Absent		3B

Structure	Level	Pattern	Image	Note
TS19: trunk dermomyotome	Present	Regionally restricted	3C	Expression in the myotome.

Structure	Level	Pattern	Image	Note
TS19: lung mesenchyme	Present	Regionally restricted	4A	Expression throughout the distal lung mesenchyme.
TS19: right lung rudiment mesenchyme	Strong	Regionally restricted	4A	Expression throughout the distal lung mesenchyme of the accessory lobe.
TS19: trachea	Absent		4A
TS19: lung epithelium	Absent		4A

Structure	Level	Pattern	Image	Note
TS20: lung mesenchyme	Present	Regionally restricted	4C	Expression throughout the distal lung mesenchyme.
TS20: right lung mesenchyme	Strong	Regionally restricted	4C	Expression throughout the distal lung mesenchyme of accessory lobe.
TS20: trachea	Absent		4C
TS20: lung epithelium	Absent		4C