Probe:	Acvr2b cDNA2
Probe preparation:	labelled with P33 DNA
Visualized with:	Autoradiography
Assay notes:	An alternate probe (MGI:5469086) may have been used; authors report that probe gave similar results.

Structure	Level	Pattern	Image	Note
TS28: ovary	Present	Regionally restricted	2B	Lower expression in theca and interstitial cells than in follicle cells.
TS28: ovary follicle	Present		2B
TS28: ovary theca	Weak		2B
TS28: oocyte	Present		2B

Structure	Cell Type	Level	Pattern	Image	Note
TS28: spermatogonium		Present		3C
TS28: Sertoli cell	Sertoli cell	Present		3C

Structure	Level	Pattern	Image	Note
TS5: inner cell mass	Strong			Significant expression in the inner cell mass and trophectoderm of one of two embryos examined.
TS5: trophectoderm	Strong			Significant expression in the inner cell mass and trophectoderm of one of two embryos examined.

Structure	Level	Pattern	Image	Note
TS7: ectoplacental cone	Present		4A/D
TS7: epiblast	Present		4A/D
TS7: extraembryonic ectoderm	Present		4A/D
TS7: mural trophectoderm	Present		4A/D

Structure	Level	Pattern	Image	Note
TS9: ectoplacental cone	Strong		4B/E
TS9: embryo ectoderm	Strong		4B/E
TS9: extraembryonic ectoderm	Moderate		4B/E
TS9: extraembryonic visceral endoderm	Absent		4B/E	No expression in visceral endoderm around upper two-thirds of egg cylinder.
TS9: primary trophoblast giant cell	Absent		4B/E

Structure	Level	Pattern	Image	Note
TS11: embryo ectoderm	Strong		4C/F
TS11: embryo mesoderm	Strong		4C/F
TS11: future spinal cord neural plate	Present		4C/F
TS11: extraembryonic ectoderm	Moderate		4C/F
TS11: allantois	Strong		4C/F
TS11: amnion	Moderate		4C/F
TS11: chorion	Moderate		4C/F
TS11: ectoplacental cone	Moderate		4C/F
TS11: extraembryonic visceral endoderm	Absent		4C/F	No expression in external layer of visceral endoderm.

Structure	Level	Pattern	Image	Note
TS28: decidua	Weak		4C/F	Moderate to low expression in the decidua.

Structure	Level	Pattern	Image	Note
TS13: embryo	Present	Widespread	5A/B	Expression in all embryonic tissues.
TS13: embryo mesenchyme	Strong		5A/B
TS13: neural ectoderm	Strong		5A/B

Structure	Level	Pattern	Image	Note
TS13: trophoblast giant cell	Present	Regionally restricted	5C/D	Expression in giant trophoblast cells lining inner surface of decidua.

Structure	Level	Pattern	Image	Note
TS13: chorion	Present		5E/F

Structure	Level	Pattern	Image	Note
TS21: brain	Present

Structure	Level	Pattern	Image	Note
TS21: renal tubule	Present		6A/B
TS21: spinal cord	Present		6A/B

Structure	Level	Pattern	Image	Note
TS21: intestine epithelium	Present		6C/D