Probe:	Cyp26A1 probe2
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS11: embryo mesoderm	Present	Regionally restricted	1A	Expression is anterior.
TS11: future spinal cord neural fold	Present	Regionally restricted	1A	Expression is anterior.
TS11: allantois	Present		1A
TS11: extraembryonic visceral endoderm	Present		1A
TS11: parietal endoderm	Present		1A
TS11: amnion	Present	Regionally restricted	1A	Expression is in the posterior half.

Structure	Level	Pattern	Image	Note
TS11: extraembryonic component	Present	Regionally restricted	1B	Expression is in the uterine crypt.
TS28: decidua	Present	Regionally restricted	1B	Expression is in the uterine crypt.

Structure	Level	Pattern	Image	Note
TS15: future hindbrain	Present		1D

Structure	Level	Pattern	Image	Note
TS15: nephrogenic cord	Weak
TS15: head mesenchyme	Present	Regionally restricted		Expression is in perioptic mesenchyme.
TS15: extraembryonic component	Present	Regionally restricted		Expression is in the amnion.

Structure	Level	Pattern	Image	Note
TS17: head mesenchyme	Present	Regionally restricted	1E	Expression is surrounding the head veins.
TS17: acoustic ganglion	Present		1E
TS17: facial ganglion	Present		1E
TS17: trigeminal ganglion	Present		1E
TS17: otocyst epithelium	Present	Regionally restricted	1E	Expression is in the ventral epithelium.
TS17: 1st branchial arch mandibular component	Present	Regionally restricted	1E	Expression is in the lateral part.
TS17: 1st branchial pouch	Present	Regionally restricted	1E	Expression is in the epithelium.
TS17: 2nd branchial pouch	Present	Regionally restricted	1E	Expression is in the epithelium.
TS17: 3rd branchial pouch	Present	Regionally restricted	1E	Expression is in the epithelium.

Structure	Level	Pattern	Image	Note
TS17: 1st branchial arch maxillary component ectoderm	Present	Regionally restricted	1F	Expression is in the epithelium.
TS17: frontal process ectoderm	Present	Regionally restricted	1F	Expression is in the epithelium.
TS17: latero-nasal process ectoderm	Present	Regionally restricted	1F	Expression is in the epithelium.
TS17: medial-nasal process ectoderm	Present	Regionally restricted	1F	Expression is in the epithelium.

Structure	Level	Pattern	Image	Note
TS17: nephric duct	Present		1G

Structure	Level	Pattern	Image	Note
TS17: cloaca	Present	Regionally restricted	1H	Higher expression on the dorsal side.

Structure	Level	Pattern	Image	Note
TS17: lens pit	Weak

Structure	Level	Pattern	Image	Note
TS19: body wall mesenchyme	Present	Regionally restricted	1I	Expression is ventral.
TS19: extraembryonic component	Present	Regionally restricted	1I	Expression is in the amnion.
TS19: forelimb bud ectoderm	Present		1I
TS19: hindlimb bud ectoderm	Present		1I

Structure	Level	Pattern	Image	Note
TS19: olfactory epithelium	Present		1J

Structure	Level	Pattern	Image	Note
TS19: septum transversum	Present
TS19: intraembryonic coelom	Present	Regionally restricted		Expression is in the area of the diaphragm.
TS19: gut dorsal mesentery	Present	Regionally restricted		Expression is in anterior dorsal mesentary.

Structure	Level	Pattern	Image	Note
TS20: otic capsule	Present	Regionally restricted	1K	Expression is in the periphery of the condensing mesenchyme.
TS20: cochlea	Present	Regionally restricted	1K	Expression is on the ventral side.
TS20: posterior semicircular canal epithelium	Present	Regionally restricted	1K	Expression is on the ventral side.
TS20: superior semicircular canal epithelium	Present	Regionally restricted	1K	Expression is on the ventral side.

Structure	Level	Pattern	Image	Note
TS20: maxillary process epithelium	Present		1L
TS20: primary palate epithelium	Present		1L
TS20: tongue epithelium	Present		1L
TS20: mandibular process mesenchyme	Present	Regionally restricted	1L	Expression is in an area that runs medially alongside Meckel's cartilage.

Structure	Level	Pattern	Image	Note
TS20: head mesenchyme	Present	Regionally restricted	1M	The expression is in the periocular mesenchyme that forms the occular muscles.
TS20: neural retinal epithelium	Present	Regionally restricted	1M	Expression is in a horizontal stripe in the dorsal half.

Structure	Level	Pattern	Image	Note
TS20: septum transversum	Present		1N
TS20: intraembryonic coelom	Present	Regionally restricted	1N	Expression is in the diaphram.
TS20: esophagus mesenchyme	Present	Regionally restricted	1N	Expression is in the outer mesenchyme.
TS20: stomach mesenchyme	Present	Regionally restricted	1N	Expression is in the outer mesenchyme.

Structure	Level	Pattern	Image	Note
TS20: duodenum rostral part mesentery	Present	Regionally restricted	1O	Expression is in anterior dorsal mesentary.
TS20: esophagus mesentery	Present	Regionally restricted	1O	Expression is in anterior dorsal mesentary.
TS20: foregut-midgut junction dorsal mesentery	Present	Regionally restricted	1O	Expression is in anterior dorsal mesentary.
TS20: stomach mesentery	Present	Regionally restricted	1O	Expression is in anterior dorsal mesentary.
TS20: esophagus mesenchyme	Present	Regionally restricted	1O	Expression is in the outer mesenchyme.
TS20: stomach mesenchyme	Present	Regionally restricted	1O	Expression is in the outer mesenchyme.

Structure	Level	Pattern	Image	Note
TS20: esophagus mesenchyme	Present	Regionally restricted	1P	Expression is in the outer mesenchyme.
TS20: stomach mesenchyme	Present	Regionally restricted	1P	Expression is in the outer mesenchyme.
TS20: rib pre-cartilage condensation	Present		1P

Structure	Level	Pattern	Image	Note
TS20: digit mesenchyme	Present	Regionally restricted	1Q	Expression is in the region of the cartilage condensations.

Structure	Level	Pattern	Image	Note
TS20: dorsal aorta	Present
TS20: extraembryonic arterial system	Present
TS20: extraembryonic venous system	Present
TS20: hindgut	Present

Structure	Level	Pattern	Image	Note
TS21: anterior abdominal wall undifferentiated pre-muscle mass	Present		1R
TS21: rib cartilage condensation	Present		1R
TS21: rib pre-cartilage condensation	Present		1R
TS21: tail sclerotome	Present		1R