Probe:	Bmp7 cDNA2
Probe preparation:	RNA

Structure	Level	Pattern	Image	Note
TS9: primitive streak	Present	Regionally restricted	1A	BMP-7 transcripts are detected at the anterior end of the primitive streak.

Structure	Level	Pattern	Image	Note
TS10: embryo mesoderm	Present	Regionally restricted	1B	BMP-7 mRNA is localized to the rostral third of the primitive streak, the node and to the axial mesoderm emanating from the node.
TS10: node	Present	Regionally restricted	1B	BMP-7 mRNA is localized to the rostral third of the primitive streak, the node and to the axial mesoderm emanating from the node.
TS10: primitive streak	Present	Regionally restricted	1B	BMP-7 mRNA is localized to the rostral third of the primitive streak, the node and to the axial mesoderm emanating from the node.

Structure	Level	Pattern	Image	Note
TS10: primitive streak	Weak		1C
TS10: embryo mesoderm	Present	Regionally restricted	1C	BMP-7 transcripts are now detected in the lateral mesoderm of the distal two thirds of the embryonic region.
TS10: node	Strong		1C	The highest transcript levels are seen in the node and notochord.
TS10: allantois	Present		1C

Structure	Level	Pattern	Image	Note
TS11: primitive streak	Present	Regionally restricted	1D	Expression is absent from the primitive streak, although it is still present in the node.
TS11: allantois	Present		1D
TS11: node	Present		1D
TS11: notochordal plate	Present		1D
TS11: embryo mesoderm	Present	Regionally restricted	1D	Transcripts are seen in the paraxial and lateral mesoderm.

Structure	Level	Pattern	Image	Note
TS11: allantois	Present		1E
TS11: node	Present		1E
TS11: notochordal plate	Present		1E
TS11: embryo mesoderm	Present	Regionally restricted	1E	Expression can be seen in the cranial paraxial mesoderm and heart mesoderm.
TS11: heart	Present	Regionally restricted	1E	Expression can be seen in the cranial paraxial mesoderm and heart mesoderm.

Structure	Level	Pattern	Image	Note
TS10: embryo mesoderm	Present	Regionally restricted	1F	Transcripts can be seen in both the lateral and axial mesoderm.

Structure	Level	Pattern	Image	Note
TS11: embryo mesoderm	Present		1G
TS11: neural ectoderm	Present	Regionally restricted	1G	BMP-7 transcripts are seen in the ventral neurectoderm, but not in the dorsal neurectoderm.
TS11: surface ectoderm	Strong	Regionally restricted	1G	Transcripts accumulate in the surface ectoderm of the anterior and posterior regions of the embryo.

Structure	Level	Pattern	Image	Note
TS14: head mesenchyme	Present	Regionally restricted	1H	A section through the forebrain and hindbrain shows BMP-7 transcripts present in the most rostral axial mesoderm.
TS14: neural tube roof plate	Present		1H

Structure	Level	Pattern	Image	Note
TS12: embryo mesenchyme	Present	Regionally restricted		BMP-7 is only detected in sections up to 105 um behind the rostral extent of the axial mesoderm. Transcripts are no longer seen in the mesoderm adjacent to the hindbrain region.

Structure	Level	Pattern	Image	Note
TS13: embryo mesenchyme	Present	Regionally restricted		BMP-7 expression is only detected in sections up to 140 um behind the rostral extent of the axial mesoderm.

Structure	Level	Pattern	Image	Note
TS12: neural ectoderm	Present	Regionally restricted	1I	The ventral expression of BMP-7 is most obvious in neurectoderm extending from the anterior of the midbrain to the preotic sulcus and is present up to the preotic sulcus.
TS12: optic sulcus neural ectoderm	Present	Regionally restricted	1I	The ventral expression of BMP-7 is most obvious in neurectoderm extending from the anterior of the midbrain to the preotic sulcus and is present up to the preotic sulcus.
TS12: future spinal cord neural plate	Present	Regionally restricted	1I	Transcripts are found in the midline of the neural plate in two regions: a region of higher signal extends from the anterior limit of the midbrain to the preotic sulcus; a lower level of signal extends from the preotic sulcus to the otic sulcus.

Structure	Level	Pattern	Image	Note
TS13: future midbrain	Present		1J	The ventral neurectoderm expression is now essentially confined to the midbrain.

Structure	Level	Pattern	Image	Note
TS14: embryo ectoderm	Present	Regionally restricted	1K	The ventral neurectoderm of the midbrain and rostral diencephalon contains BMP-7 transcripts as does the dorsal-most neurectoderm in the anterior cranial region.
TS14: future diencephalon	Present	Regionally restricted	1K	The ventral neurectoderm of the midbrain and rostral diencephalon contains BMP-7 transcripts as does the dorsal-most neurectoderm in the anterior cranial region.
TS14: future midbrain	Present	Regionally restricted	1K	The ventral neurectoderm of the midbrain and rostral diencephalon contains BMP-7 transcripts as does the dorsal-most neurectoderm in the anterior cranial region.

Structure	Level	Pattern	Image	Note
TS14: future midbrain	Present	Regionally restricted		By the 18-somite stage, the diencephalic expression disappears and ventral transcription is again seen only in the midbrain.
TS14: future diencephalon	Absent			By the 18-somite stage, the diencephalic expression disappears and ventral transcription is again seen only in the midbrain.