Probe:	Tet1 cDNA2
Probe preparation:	Antisense labelled with digoxigenin RNA

Structure	Level	Pattern	Image	Note
TS13: chorion	Present		1C , 1B , 1A
TS13: ectoplacental cone	Present		1G , 1A , 1D , 1B
TS13: trophoblast giant cell	Present		1A , 1B , 1G , 1D	Expression is in parietal trophoblast giant cells.

Structure	Level	Pattern	Image	Note
TS13: yolk sac endoderm	Present		1E
TS13: yolk sac mesenchyme	Present		1E
TS13: trophoblast giant cell	Present		1E

Structure	Level	Pattern	Image	Note
TS13: yolk sac endoderm	Present	Regionally restricted	1F	Expression is in the visceral yolk sac and is absent in the parietal yolk sac.

Structure	Level	Pattern	Image	Note
TS28: mesometrium	Present	Single cells	1H Tet1 top	Expression is in a specifc population.

Structure	Level	Pattern	Image	Note
TS28: mesometrium	Present	Single cells	1H Tet1 bottom	Expression is in a specifc population.

Structure	Level	Pattern	Image	Note
TS17: labyrinthine zone	Present		2D , 2E
TS17: polar trophectoderm	Present	Regionally restricted	2D , 2E	Expression is in syncytiotrophoblast cells.
TS17: trophoblast giant cell	Present		2E , 2D	Expression is in sinusoidal trophoblast giant cells.
TS17: spongiotrophoblast	Present		2D , 2F

Structure	Level	Pattern	Image	Note
TS22: trophoblast giant cell	Present	Regionally restricted	3A , 3B	Expression is in sinusoidal trophoblast giant cells.
TS22: spongiotrophoblast	Present	Regionally restricted	3C , 3A
TS22: trophectoderm	Strong	Regionally restricted	3C , 3A	Expression is in glycogen trophoblast cells.

Structure	Level	Pattern	Image	Note
TS26: trophoblast giant cell	Present		4A , 4B	Expression is in sinusoidal trophoblast giant cells.
TS26: spongiotrophoblast	Present		4C , 4A
TS26: chorionic plate	Present		4A , 4D

Structure	Level	Pattern	Image	Note
TS17: trophoblast giant cell	Present	Regionally restricted	5A	Expression is in sinusoidal trophoblast giant cells and is absent in parietal trophoblast giant cells (shown).

Structure	Level	Pattern	Image	Note
TS22: trophoblast giant cell	Present		5F	Expression is in parietal trophoblast giant cells.

Structure	Level	Pattern	Image	Note
TS26: trophoblast giant cell	Present	Regionally restricted	5K	Expression is in parietal trophoblast giant cells.

Structure	Level	Pattern	Image	Note
TS22: trophoblast giant cell	Present		5P

Structure	Level	Pattern	Image	Note
TS26: trophoblast giant cell	Present	Regionally restricted	5U	Expression is in canal trophoblast giant cells that surround the spinal arteries.

Structure	Level	Pattern	Image	Note
TS22: trophoblast giant cell	Present	Regionally restricted	5Z	Expression is in parietal trophoblast giant cells and is absent in canal trophoblast giant cells that surround the spinal arteries.

Structure	Level	Pattern	Image	Note
TS26: trophoblast giant cell	Present	Regionally restricted	5AE	Expression is in canal trophoblast giant cells that surround the spinal arteries.

Structure	Level	Pattern	Image	Note
TS22: trophoblast giant cell	Present	Regionally restricted	S2A	Expression is in sinusoidal trophoblast giant cells.

Structure	Level	Pattern	Image	Note
TS26: trophoblast giant cell	Present	Regionally restricted	S2B	Expression is in sinusoidal trophoblast giant cells.

Structure	Level	Pattern	Image	Note
TS26: trophoblast giant cell	Present	Regionally restricted	S2C	Expression is in sinusoidal trophoblast giant cells.

Structure	Level	Pattern	Image	Note
TS28: cerebellum	Present		S2M Cerebellum top

Structure	Level	Pattern	Image	Note
TS28: cerebellum	Present		S2M Cerebellum bottom

Structure	Level	Pattern	Image	Note
TS28: hippocampus	Present		S2M Hippocampus top

Structure	Level	Pattern	Image	Note
TS28: hippocampus	Present		S2M Hippocampus bottom

Structure	Level	Pattern	Image	Note
TS28: mesometrium	Present		S3F , S3D , S3E	Expression is in a specifc population.

Structure	Level	Pattern	Image	Note
TS28: mesometrium	Present		S3L , S3J , S3K	Expression is in a specifc population.

Structure	Level	Pattern	Image	Note
TS20: trophoblast giant cell	Present	Regionally restricted	S4A , S4C , S4B	Expression is in sinusoidal trophoblast giant cells.
TS20: polar trophectoderm	Present	Regionally restricted	S4C , S4B , S4A	Expression is in syncytiotrophoblast cells.
TS20: spongiotrophoblast	Present		S4C , S4A

Structure	Level	Pattern	Image	Note
TS24: trophoblast giant cell	Present	Regionally restricted	S4G , S4F , S4H	Expression is in sinusoidal trophoblast giant cells.
TS24: spongiotrophoblast	Present	Regionally restricted	S4H , S4F
TS24: trophectoderm	Present	Regionally restricted	S4H , S4F	Expression is in glycogen trophoblast cells.