Probe:	MGC clone 105171
Probe preparation:	Antisense labelled with S35 RNA

Structure	Level	Pattern	Image	Note
TS15: future brain	Strong	Regionally restricted	2A	Expression is ventral.
TS15: neural tube	Strong	Regionally restricted	2A	Expression is ventral.
TS15: branchial arch ectoderm	Strong		2A
TS15: branchial arch endoderm	Strong		2A
TS15: limb	Strong		2A
TS15: head mesenchyme derived from neural crest	Present	Regionally restricted	2A	Expression is in the craniofacial region.
TS15: limb ectoderm	Present		2A
TS15: limb mesenchyme	Present		2A

Structure	Level	Pattern	Image	Note
TS15: future brain	Strong	Regionally restricted	2B	Expression is ventral.
TS15: neural tube	Strong	Regionally restricted	2B	Expression is ventral.
TS15: branchial arch ectoderm	Strong		2B
TS15: branchial arch endoderm	Strong		2B
TS15: limb	Strong		2B
TS15: limb ectoderm	Present		2B
TS15: limb mesenchyme	Present		2B

Structure	Level	Pattern	Image	Note
TS15: future brain	Strong	Regionally restricted	2C	Expression is ventral.
TS15: neural tube	Strong	Regionally restricted	2C	Expression is ventral.
TS15: branchial arch ectoderm	Strong		2C
TS15: branchial arch endoderm	Strong		2C
TS15: limb	Strong		2C
TS15: otocyst	Strong	Regionally restricted	2C	Expression is in the lateral regions.
TS15: limb ectoderm	Present		2C
TS15: limb mesenchyme	Present		2C

Structure	Level	Pattern	Image	Note
TS17: branchial arch ectoderm	Strong	Regionally restricted	2D	Expression is in caudal regions.
TS17: limb ectoderm	Present		2D
TS17: limb mesenchyme	Present		2D
TS17: lung	Present		2D
TS17: stomach	Present	Regionally restricted	2D	Expression is in the foregut endoderm of the future stomach.
TS17: brain	Present	Regionally restricted	2D	Expression is ventral.
TS17: neural tube	Present	Regionally restricted	2D	Expression is ventral.
TS17: head mesenchyme derived from neural crest	Present	Regionally restricted	2D	Expression is in the craniofacial region.

Structure	Level	Pattern	Image	Note
TS17: branchial arch ectoderm	Strong	Regionally restricted	2E	Expression is in caudal regions.
TS17: Rathke's pouch	Strong		2E
TS17: branchial arch endoderm	Present		2E
TS17: cranial ganglion	Present		2E
TS17: lung	Present		2E
TS17: trigeminal ganglion	Present		2E
TS17: stomach	Present	Regionally restricted	2E	Expression is in the foregut endoderm of the future stomach.
TS17: brain	Present	Regionally restricted	2E	Expression is ventral.
TS17: neural tube	Present	Regionally restricted	2E	Expression is ventral.

Structure	Level	Pattern	Image	Note
TS17: branchial arch ectoderm	Strong	Regionally restricted	2F	Expression is in caudal regions.
TS17: lung	Present		2F
TS17: stomach	Present	Regionally restricted	2F	Expression is in the foregut endoderm of the future stomach.
TS17: otocyst	Strong	Regionally restricted	2F	Expression is in the lateral regions.
TS17: brain	Present	Regionally restricted	2F	Expression is ventral.
TS17: neural tube	Present	Regionally restricted	2F	Expression is ventral.

Structure	Level	Pattern	Image	Note
TS19: latero-nasal process ectoderm	Strong		3A
TS19: medial-nasal process ectoderm	Strong		3A
TS19: oral epithelium	Strong		3A
TS19: head	Present	Regionally restricted	3A	Expression is in the facial ectoderm.
TS19: branchial arch endoderm	Present		3A
TS19: neural tube	Present	Regionally restricted	3A	Expression is in the caudal regions of the neural tube.
TS19: tail neural tube	Present	Regionally restricted	3A	Expression is in the caudal regions of the neural tube.
TS19: mandible primordium	Present	Regionally restricted	3A	Expression is in the more cranial and caudal domains.
TS19: maxilla primordium	Present	Regionally restricted	3A	Expression is in the more cranial and caudal domains.

Structure	Level	Pattern	Image	Note
TS19: latero-nasal process ectoderm	Strong		3B
TS19: medial-nasal process ectoderm	Strong		3B
TS19: oral epithelium	Strong		3B
TS19: head	Present	Regionally restricted	3B	Expression is in the facial ectoderm.
TS19: branchial arch endoderm	Present		3B
TS19: foregut duodenum	Present		3B
TS19: heart atrium	Present		3B
TS19: liver	Present		3B
TS19: lung	Present		3B
TS19: vertebral cartilage condensation	Present		3B
TS19: neural tube	Present	Regionally restricted	3B	Expression is in the caudal regions of the neural tube.
TS19: tail neural tube	Present	Regionally restricted	3B	Expression is in the caudal regions of the neural tube.
TS19: mandible primordium	Present	Regionally restricted	3B	Expression is in the more cranial and caudal domains.
TS19: maxilla primordium	Present	Regionally restricted	3B	Expression is in the more cranial and caudal domains.

Structure	Level	Pattern	Image	Note
TS20: nasal cavity epithelium	Strong		4A

Structure	Level	Pattern	Image	Note
TS20: nasal cavity epithelium	Strong		4B

Structure	Level	Pattern	Image	Note
TS20: dental placode	Strong	Regionally restricted	4C	Expression is in mandibular incisor tooth buds.
TS20: primary palate epithelium	Strong		4C

Structure	Level	Pattern	Image	Note
TS20: nasal cavity epithelium	Strong		4D
TS20: primary palate epithelium	Strong		4D

Structure	Level	Pattern	Image	Note
TS21: nasal cavity epithelium	Strong		4E
TS21: nasal septum	Strong		4E

Structure	Level	Pattern	Image	Note
TS21: upper jaw incisor	Strong		4F

Structure	Level	Pattern	Image	Note
TS21: palatal shelf epithelium	Strong		4G

Structure	Level	Pattern	Image	Note
TS21: Meckel's cartilage	Strong		4H
TS21: palatal shelf epithelium	Strong		4H

Structure	Level	Pattern	Image	Note
TS22: palatal shelf epithelium	Strong		4I
TS22: vomeronasal organ	Present		4I

Structure	Level	Pattern	Image	Note
TS22: nasal septum	Strong		4J
TS22: primary palate epithelium	Present	Regionally restricted	4J	Expression is in the medial epithelial seam.

Structure	Level	Pattern	Image	Note
TS22: molar	Strong		4K

Structure	Level	Pattern	Image	Note
TS22: basisphenoid cartilage condensation	Present		4L
TS22: temporal bone petrous part	Present		4L
TS22: vault of skull	Present	Regionally restricted	4L	Expression is in mesenchyme.

Structure	Level	Pattern	Image	Note
TS19: mandibular process	Strong	Regionally restricted	5A	Expression is in the epithelial thickenings of future teeth.
TS19: maxillary process	Strong	Regionally restricted	5A	Expression is in the epithelial thickenings of future teeth.
TS19: oral epithelium	Strong	Regionally restricted	5A	Expression is in the epithelial thickenings of future teeth.

Structure	Level	Pattern	Image	Note
TS21: tooth epithelium	Present	Regionally restricted	5B	Expression is in basal regions of the tooth bud epithelium, adjacent to the dental papilla.

Structure	Level	Pattern	Image	Note
TS22: enamel organ	Present		5C

Structure	Level	Pattern	Image	Note
TS23: enamel organ	Present		5D

Structure	Level	Pattern	Image	Note
TS24: molar enamel organ	Strong		5E

Structure	Level	Pattern	Image	Note
TS25: enamel organ	Present	Regionally restricted	5F	Expression is in the internal enamel epithelium.

Structure	Level	Pattern	Image	Note
TS20: skin	Present	Regionally restricted	5G	Expression is in the early epidermal placode

Structure	Level	Pattern	Image	Note
TS21: integumental system	Present	Regionally restricted	5H	Expression is in the dermal papilla of the early hair follicle.

Structure	Level	Pattern	Image	Note
TS22: integumental system	Present	Regionally restricted	5I	Expression is in the dermal papilla of the early hair follicle.

Structure	Level	Pattern	Image	Note
TS23: integumental system	Strong	Regionally restricted	5J	Expression is in the dermal papilla of the early hair follicle and is weak in the more peripheral regions of the hair follicle, in the outer root sheath and hair matrix.

Structure	Level	Pattern	Image	Note
TS24: hair follicle	Strong	Regionally restricted	5K	Expression is in the dermal papilla of the early hair follicle and is weak in the more peripheral regions of the hair follicle, in the outer root sheath and hair matrix.
TS24: hair root sheath	Weak		5K

Structure	Level	Pattern	Image	Note
TS25: hair follicle	Strong	Regionally restricted	5L	Expression is in the dermal papilla of the early hair follicle and is weak in the more peripheral regions of the hair follicle, in the outer root sheath and hair matrix.
TS25: hair root sheath	Weak		5L

Structure	Level	Pattern	Image	Note
TS23: rib	Strong	Regionally restricted	6A	Expression is in the cartilaginous condensations.

Structure	Level	Pattern	Image	Note
TS23: limb	Strong	Regionally restricted	6B	Expression is in the cartilaginous skeleton.

Structure	Level	Pattern	Image	Note
TS23: limb	Strong	Regionally restricted	6C	Expression is in the cartilaginous skeleton.

Structure	Level	Pattern	Image	Note
TS23: lumbar vertebral cartilage condensation	Present		6D

Structure	Level	Pattern	Image	Note
TS23: maturing glomerular tuft	Present		6E