Antibody:	anti-HtrA1
Detection system:	Biotinylated secondary antibody/[Strept]avidin coupled to horseradish peroxidase

Structure	Level	Pattern	Image	Note
TS12: neural ectoderm	Strong		3B , 3A	Staining seen in neuroepithelial tissues.
TS12: eye neural ectoderm	Strong		3A	Staining seen in perioptic epithelium.
TS12: alimentary system epithelium	Strong		3A , 3B	Staining seen in foregut and hindgut epithelium.
TS12: somite	Strong		3B , 3A	Staining seen in the mesodermal tissues of the somites.
TS12: heart	Strong		3A
TS12: vitelline artery	Strong		3A , 3B	Staining seen in the wall.
TS12: dorsal aorta	Strong		3A , 3B	Staining seen in the wall.
TS12: allantois	Strong	Regionally restricted	3A , 3B	Staining seen in the base of allantois.

Structure	Level	Pattern	Image	Note
TS20: cerebral cortex	Moderate		3D	Staining seen in the neopallial cortex/future cerebral cortex.
TS20: midbrain	Moderate		3D
TS20: brain	Moderate	Regionally restricted	3D	Staining seen in the epithelium surrounding ventricles, including those surrounding the cerebral ventricles.
TS20: olfactory epithelium	Strong		3D
TS20: inner ear epithelium	Strong		3D	Staining seen in the auditory epithelium.
TS20: cochlea epithelium	Strong		3D
TS20: saccule epithelium	Strong		3D
TS20: midbrain-hindbrain junction	Moderate		3D	Staining seen in the pons/midbrain juction.
TS20: spinal cord	Moderate		3D	Staining seen in the spinal cord canal.
TS20: dorsal root ganglion	Strong		3D	Staining seen in dorsal and lumbar root ganglia.
TS20: lumbar dorsal root ganglion	Strong		3D	Staining seen in dorsal and lumbar root ganglia.
TS20: heart	Moderate		3D

Structure	Level	Pattern	Image	Note
TS26: brain	Moderate		3E
TS26: skin	Strong		3E	Staining seen in mature and outer layers of stratified epithelium of the skin.
TS26: esophagus epithelium	Strong		3E
TS26: intestine epithelium	Strong		3E
TS26: urinary system epithelium	Strong		3E	Staining seen in urinary duct epithelium.
TS26: cardiac muscle tissue	Strong		3E
TS26: skeletal muscle tissue	Strong		3E	Staining seen in striated muscle tissue.
TS26: liver	Moderate		3E
TS26: skeleton	Present		3E	Staining seen in skeletal elements.

Structure	Level	Pattern	Image	Note
TS27: liver	Strong		3F
TS27: cardiac muscle tissue	Strong		3F
TS27: skeletal muscle tissue	Strong		3F	Staining seen in striated muscle.
TS27: spinal cord	Strong		3F
TS27: skin	Strong		3F	Staining seen in the stratified epithelium of skin.
TS27: esophagus epithelium	Strong		3F
TS27: intestine epithelium	Strong		3F
TS27: brain	Moderate		3F
TS27: lung epithelium	Moderate		3F
TS27: metanephros epithelium	Moderate		3F

Structure	Level	Pattern	Image	Note
TS20: heart	Moderate		3G

Structure	Level	Pattern	Image	Note
TS20: cartilage condensation	Moderate			Staining seen in cartilage primordia of different bones.

Structure	Level	Pattern	Image	Note
TS27: liver	Strong		3H

Structure	Level	Pattern	Image	Note
TS26: skin	Strong		3I	Staining seen in mature and outer layers of skin.

Structure	Level	Pattern	Image	Note
TS27: skin	Strong		3J	Staining seen in the stratified epithelium of skin.
TS27: hair follicle	Strong		3J	Staining seen in piliferous follicles.

Structure	Level	Pattern	Image	Note
TS22: corpus striatum	Strong		5A , 5B
TS22: olfactory epithelium	Present		5A , 5C
TS22: skin	Present		5A , 5C
TS22: vomeronasal organ	Present		5A , 5C
TS22: nasal septum cartilage	Weak		5C , 5A
TS22: tongue muscle	Weak		5C , 5A

Structure	Level	Pattern	Image	Note
TS20: hindbrain	Strong	Regionally restricted	5E	Staining seen in the epithelium surrounding the fourth ventricle.
TS20: cerebral cortex	Strong	Regionally restricted	5E	Staining seen in the epithelium surrounding cerebral ventricles.
TS20: midbrain-hindbrain junction	Moderate		5E	Staining seen in the pons/midbrain junction.

Structure	Level	Pattern	Image	Note
TS26: olfactory epithelium	Strong		5F