Antibody:	PDGF-BB antibody
Detection system:	Secondary antibody coupled to fluorescein

Structure	Level	Pattern	Image	Note
TS20: palatal shelf epithelium	Absent		4A
TS20: palatal shelf mesenchyme	Absent		4A

Structure	Level	Pattern	Image	Note
TS21: nasal epithelium	Weak		4B
TS21: oral epithelium	Weak		4B
TS21: palatal shelf epithelium	Weak		4B
TS21: blood vessel	Present	Regionally restricted	4B	Expression is in the palate.
TS21: nerve	Present	Regionally restricted	4B	Expression is in the palate.
TS21: tongue muscle	Present	Punctate	4B
TS21: tooth	Present	Punctate	4B
TS21: palatal shelf mesenchyme	Absent		4B

Structure	Level	Pattern	Image	Note
TS22: vomeronasal organ	Very strong		4C
TS22: tongue	Present	Patchy	4C
TS22: nasal epithelium	Weak		4C
TS22: oral epithelium	Weak		4C
TS22: palatal shelf epithelium	Weak		4C
TS22: palatal shelf mesenchyme	Absent		4C

Structure	Level	Pattern	Image	Note
TS23: blood vessel endothelium	Present	Regionally restricted	4D	Expression is in the palate.
TS23: nasal epithelium	Weak		4D
TS23: oral epithelium	Weak		4D
TS23: palatal shelf epithelium	Weak		4D
TS23: palatal shelf mesenchyme	Absent		4D

Structure	Level	Pattern	Image	Note
TS23: nasal epithelium	Very strong	Regionally restricted	4E	Expression is in the top layer of the lateral region of the palatal nasal epithelium.
TS23: palatal shelf epithelium	Very strong	Regionally restricted	4E	Expression is in the top layer of the lateral region of the palatal nasal epithelium.
TS23: blood vessel	Present		4E	Expression is in the palate.
TS23: nerve	Present		4E	Expression is in the palate.
TS23: palatal shelf mesenchyme	Absent		4E

Structure	Level	Pattern	Image	Note
TS22: neural retina	Present		7A
TS22: optic nerve	Present		7A
TS22: pigmented retinal epithelium	Present		7A
TS22: optic disc	Absent		7A

Structure	Level	Pattern	Image	Note
TS23: tooth epithelium	Absent		9C
TS23: tooth mesenchyme	Absent		9C

Structure	Level	Pattern	Image	Note
TS22: tongue	Present	Patchy	10A
TS22: hypoglossal nerve	Present		10A