Probe:	clone 106
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS11: amnion	Strong		3A
TS11: chorion	Strong		3A
TS11: ectoplacental cone	Strong		3A
TS11: yolk sac mesoderm	Strong		3A
TS11: embryo ectoderm	Moderate		3A
TS11: embryo mesoderm	Moderate		3A
TS11: yolk sac endoderm	Moderate		3A

Structure	Level	Pattern	Image	Note
TS12: extraembryonic component	Present		4A	High levels of expression are observed in the amnion and yolk sac.
TS12: embryo	Present		4A

Structure	Level	Pattern	Image	Note
TS12: future spinal cord	Strong		4B
TS12: surface ectoderm	Strong		4B
TS12: head somite	Absent		4B

Structure	Level	Pattern	Image	Note
TS15: heart	Strong	Regionally restricted	5A	Strong expression is detected in the pericardium and mesocardium.
TS15: future spinal cord	Strong		5A
TS15: eye	Present		5A	Expression is detected in the neuroepithelium of the optic lobe.

Structure	Level	Pattern	Image	Note
TS17: eye	Present		6A
TS17: future spinal cord	Present		6A

Structure	Level	Pattern	Image	Note
TS17: eye	Present	Regionally restricted	6B	Expression is detected in lens and in the pigment layer of the retina, but not in the sensory layer of the retina.

Structure	Level	Pattern	Image	Note
TS17: future spinal cord	Present	Regionally restricted	6C	No expression is observed in the roof or floor plates, in neuroepithelial cells adjacent to these structures or in the notochord.