Probe:	Cv2 cDNA2
Probe preparation:	Antisense labelled with digoxigenin

Structure	Level	Pattern	Image	Note
TS10: embryo	Present	Regionally restricted	2A	Expression is in the proximal part of the embryonic region.

Structure	Level	Pattern	Image	Note
TS12: primitive streak	Present	Regionally restricted	2B	Expression is in the posterior primitive streak.
TS12: primitive heart tube	Present	Regionally restricted	2B	Expression is in precardiac mesoderm.

Structure	Level	Pattern	Image	Note
TS12: allantois	Absent		2B inset

Structure	Level	Pattern	Image	Note
TS14: tail bud	Present	Regionally restricted	2C	Expression is in the ventral tail bud.
TS14: rostral neuropore	Present	Regionally restricted	2C	Expression is in the closing anterior neuropore.
TS14: neural tube roof plate	Present		2C
TS14: future brain	Present	Regionally restricted	2C	Expression is in the roof of the neural tube.

Structure	Level	Pattern	Image	Note
TS16: tail	Present	Regionally restricted	2D	Expression is in the ventral tail bud.
TS16: future brain	Present	Regionally restricted	2D	Expression is in the closing anterior neuropore and in the roof of the neural tube.
TS16: neural tube roof plate	Present		2D

Structure	Level	Pattern	Image	Note
TS17: genitourinary system	Present	Regionally restricted	2E	Expression is in the mesonephric ridge.
TS17: dorsal root ganglion	Present		2E
TS17: telencephalon	Present		2E
TS17: nasal process	Present	Regionally restricted	2E	Expression is at the tip of the nasal processes.
TS17: 1st branchial arch	Present	Regionally restricted	2E	Expression is in the posterior part.
TS17: 2nd branchial arch	Present		2E
TS17: otocyst	Present		2E
TS17: forelimb bud mesenchyme	Present	Regionally restricted	2E	Expression is in the central part.
TS17: migrating neural crest	Present		2E

Structure	Level	Pattern	Image	Note
TS17: trunk sclerotome	Strong		2F
TS17: genitourinary system	Present	Regionally restricted	2F	Expression is in the mesonephric ridge.
TS17: dorsal root ganglion	Present		2F
TS17: lung mesenchyme	Present		2F
TS17: forelimb bud mesenchyme	Present	Regionally restricted	2F	Expression is in the central part.
TS17: migrating neural crest	Present		2F
TS17: notochord	Absent		2F

Structure	Level	Pattern	Image	Note
TS21: cartilage	Present		3A	Expression is in multiple cartilages of the developing skeleton.
TS21: lung mesenchyme	Present		3A

Structure	Level	Pattern	Image	Note
TS22: cartilage	Present		3B	Expression is in multiple cartilages of the developing skeleton.
TS22: lung mesenchyme	Present		3B

Structure	Level	Pattern	Image	Note
TS22: cartilage	Present		3C	Expression is in multiple cartilages of the developing skeleton.
TS22: vertebral cartilage condensation	Present		3C

Structure	Level	Pattern	Image	Note
TS22: cervical intervertebral disc	Present	Regionally restricted	3D	Expression is in the nucleus pulposus of the intervertebral disc.
TS22: cartilage	Present		3D	Expression is in multiple cartilages of the developing skeleton.
TS22: vertebral cartilage condensation	Present		3D

Structure	Level	Pattern	Image	Note
TS22: cervical vertebra	Present		4A