Antibody:	anti-Baalc GN2214
Detection system:	Biotinylated secondary antibody/[Strept]avidin coupled to horseradish peroxidase

Structure	Level	Pattern	Image	Note
TS14: heart	Present	Regionally restricted	1A , 1B	Expression is in the trabeculae and the wall.

Structure	Level	Pattern	Image	Note
TS14: dorsal aorta	Present	Regionally restricted	1C	Expression is at the caudal end of the midline dorsal aorta.

Structure	Level	Pattern	Image	Note
TS14: head mesenchyme	Present	Regionally restricted	1D	Expression is in a focal area of the mesenchyme around the developing brain.

Structure	Level	Pattern	Image	Note
TS14: neural tube lateral wall	Weak	Regionally restricted	1E	Expression is in the marginal and ependymal layers.

Structure	Level	Pattern	Image	Note
TS18: dermomyotome	Present		3A , 3B
TS18: paraxial mesenchyme	Present		3A , 3B
TS18: neural tube	Absent		3A , 3B

Structure	Level	Pattern	Image	Note
TS20: trunk musculature	Present	Regionally restricted	3C , 3D	Expression is in pe-muscle mesodermal cells of the body wall.
TS20: dorsal root ganglion	Absent		3C

Structure	Cell Type	Level	Pattern	Image	Note
TS23: axial muscle	muscle cell	Present	Regionally restricted	3E	Expression is in developing myocytes of the paravertebral and body wall.
TS23: pectoral girdle and thoracic body wall muscle	muscle cell	Present	Regionally restricted	3E	Expression is in developing myocytes of the paravertebral and body wall.

Structure	Level	Pattern	Image	Note
TS26: intercostal muscle	Present		3F

Structure	Level	Pattern	Image	Note
TS28: cardiac muscle tissue	Present		7A	Expression is juxta-membranous.

Structure	Level	Pattern	Image	Note
TS28: facial muscle	Present		7B	Expression is polarized juxta-membranous.

Structure	Level	Pattern	Image	Note
TS28: salivary gland	Present	Regionally restricted	7C	Expression is in myoepithelial cells around the acini.

Structure	Level	Pattern	Image	Note
TS28: urinary bladder muscle	Present		7D

Structure	Level	Pattern	Image	Note
TS28: ductus deferens	Present	Regionally restricted	7E	Expression is in the wall.

Structure	Level	Pattern	Image	Note
TS28: blood vessel wall	Present		7F	Shown is a small blood vessel in the brain.

Structure	Level	Pattern	Image	Note
TS28: bone marrow	Present	Single cells	7G	There is an unevenly scattered signal in hematopoietic cells.

Structure	Level	Pattern	Image	Note
TS28: bone marrow	Present	Single cells	7H	There is an unevenly scattered signal in hematopoietic cells.

Structure	Level	Pattern	Image	Note
TS28: hippocampus	Present	Regionally restricted	7I	There is a diffuse signal in neuropil.

Structure	Level	Pattern	Image	Note
TS21: choroid plexus	Present	Regionally restricted	S A-F_B	Expression is in the lining cells of the choroid plexus.

Structure	Level	Pattern	Image	Note
TS21: spongiotrophoblast	Present		S A-F_C

Structure	Level	Pattern	Image	Note
TS21: brain white matter	Weak	Diffuse	S A-F_D

Structure	Level	Pattern	Image	Note
TS21: spinal cord white matter	Weak	Diffuse	S A-F_E

Structure	Level	Pattern	Image	Note
TS23: epidermis	Present	Regionally restricted	S A-F_F	There is juxta-membranous staining of the ectodermal cell layers.

Structure	Level	Pattern	Image	Note
TS28: epididymis	Present	Regionally restricted	S G-L_J	Expression is in the wall and lining.

Structure	Level	Pattern	Image	Note
TS28: muscle of seminal vesicle	Present		S G-L_K

Structure	Level	Pattern	Image	Note
TS28: prostate gland	Present	Regionally restricted	S G-L_L	Expression is in the wall of prostatic ducts.

Structure	Level	Pattern	Image	Note
TS26: rib cartilage	Present		S M-P_M

Structure	Level	Pattern	Image	Note
TS26: spinal cord meninges	Present		S M-P_N

Structure	Level	Pattern	Image	Note
TS26: lung mesenchyme	Present		S M-P_O

Structure	Level	Pattern	Image	Note
TS28: myometrium	Strong	Regionally restricted	S M-P_P	Expression is in the myometrium surrounding the embryo.