Probe:	H19 probe16
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS1: 1-cell stage embryo	Absent		3_(1/2)

Structure	Level	Pattern	Image	Note
TS3: compacted morula	Absent

Structure	Level	Pattern	Image	Note
TS4: blastocyst	Absent		3_(3/4)

Structure	Level	Pattern	Image	Note
TS6: trophectoderm	Weak		3_(5/6)

Structure	Level	Pattern	Image	Note
TS7: ectoplacental cone	Very strong		3_(7/8)
TS7: extraembryonic ectoderm	Very strong		3_(7/8)
TS7: extraembryonic endoderm	Very strong		3_(7/8)
TS7: trophoblast giant cell	Very strong		3_(7/8)
TS7: epiblast	Absent		3_(7/8)

Structure	Level	Pattern	Image	Note
TS9: ectoplacental cone	Very strong		3_(9/10)	Authors state the distribution of expression is maintained from that of a day earlier.
TS9: extraembryonic ectoderm	Very strong		3_(9/10)	Authors state the distribution of expression is maintained from that of a day earlier.
TS9: extraembryonic endoderm	Very strong		3_(9/10)	Authors state the distribution of expression is maintained from that of a day earlier.
TS9: trophoblast giant cell	Very strong		3_(9/10)	Authors state the distribution of expression is maintained from that of a day earlier.
TS9: embryo ectoderm	Absent		3_(9/10)
TS9: embryo mesoderm	Absent		3_(9/10)

Structure	Level	Pattern	Image	Note
TS13: embryo	Present			Expression first detected in embryo proper.

Structure	Level	Pattern	Image	Note
TS20: labyrinthine zone	Strong
TS20: yolk sac	Strong
TS20: parietal endoderm	Absent

Structure	Level	Pattern	Image	Note
TS22: heart	Present		4_(1/2)	Expression broadly distributed in derivatives of mesoderm and endoderm germ layers, such as liver, cartilage, intestine, heart, tongue and mesenchyme.
TS22: liver	Present		4_(1/2)	Expression broadly distributed in derivatives of mesoderm and endoderm germ layers, such as liver, cartilage, intestine, heart, tongue and mesenchyme.
TS22: tongue	Present		4_(1/2)	Expression broadly distributed in derivatives of mesoderm and endoderm germ layers, such as liver, cartilage, intestine, heart, tongue and mesenchyme.
TS22: intestine	Present		4_(1/2)	Higher expression in epithelium than in surrounding mesenchyme.
TS22: lung	Present		4_(1/2)	Higher expression in epithelium than in surrounding mesenchyme.
TS22: stomach	Present		4_(1/2)	Higher expression in epithelium than in surrounding mesenchyme.
TS22: brain	Absent		4_(1/2)	No expression in cells of neurectodermal origin.
TS22: dorsal root ganglion	Absent		4_(1/2)	No expression in cells of neurectodermal origin.
TS22: spinal cord	Absent		4_(1/2)	No expression in cells of neurectodermal origin.

Structure	Level	Pattern	Image	Note
TS22: genitourinary system	Present	Regionally restricted		Expression in urogenital ridges.
TS22: metanephros	Present	Regionally restricted		Higher expression in epithelium than in surrounding mesenchyme.
TS22: trigeminal ganglion	Absent
TS22: blood	Absent			No expression in blood cells.
TS22: cartilage	Present	Regionally restricted		Expression in cartilage but not in ossification centers.