Probe:	Cyp26a1 probe6
Probe preparation:	Antisense labelled with digoxigenin
Visualized with:	Alkaline phosphatase

Structure	Level	Pattern	Image	Note
TS23: urogenital sinus	Weak		4_Cyp26a1 E15.5
TS23: bladder	Present	Regionally restricted	4_Cyp26a1 E15.5	Expression was most abundant in mesenchyme on the ventral surface of the bladder neck.
TS23: mesenchyme of urogenital sinus	Weak	Uniform	4_Cyp26a1 E15.5

Structure	Level	Pattern	Image	Note
TS24: urogenital sinus	Weak		4_Cyp26a1 E16.5
TS24: bladder	Present	Regionally restricted	4_Cyp26a1 E16.5	Expression was most abundant in mesenchyme on the ventral surface of the bladder neck.
TS24: mesenchyme of urogenital sinus	Weak	Uniform	4_Cyp26a1 E16.5

Structure	Level	Pattern	Image	Note
TS25: urogenital sinus	Weak	Regionally restricted	4_Cyp26a1 E17.5	Expression was detected at lower levels throughout the urogenital sinus mesenchyme.
TS25: bladder	Present	Regionally restricted	4_Cyp26a1 E17.5	Expression was most abundant in mesenchyme on the ventral surface of the bladder neck.
TS25: male reproductive system mesenchyme	Weak	Regionally restricted	4_Cyp26a1 E17.5	Expression was detected at lower levels in the Wolffian-derived mesenchyme.