Probe:	Tgfb2 probe8
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS28: placenta	Absent		2B	Only non-specific background signals are visible.

Structure	Level	Pattern	Image	Note
TS17: embryo	Absent		3B	Authors state that, compared to panel A, only non-specific background signals are visible.

Structure	Level	Pattern	Image	Note
TS20: vertebral cartilage condensation	Strong	Regionally restricted	4B	High levels of expression in primordia of vertebral column.
TS20: sclerotome	Very strong	Regionally restricted	4B	Strongest expression in caudal sclerotomic halves. High levels of expression only in the thoracic sclerotomes.
TS20: lung epithelium	Present	Regionally restricted	4B	Expression in endodermal bronchiolar epithelia.
TS20: gut mesentery	Present		4B	Expression in single cell layer forming mesodermal mesentery.

Structure	Level	Pattern	Image	Note
TS22: facial bone primordium	Weak	Regionally restricted	5B	Only low levels of expression in perichondrial mesenchyme of certain cartilaginous elements of the facial skeleton.
TS22: nasal mesenchyme	Present		5B	Expression in nasal and mandibular mesenchyme that forms the soft tissue components of the face.
TS22: mandible	Present	Regionally restricted	5B	Expression in nasal and mandibular mesenchyme that forms the soft tissue components of the face.
TS22: bronchiole epithelium	Present		5B	Expression in endodermal bronchiolar epithelia.
TS22: gut mesentery	Present		5B	Expression in single cell layer forming mesodermal mesentery.
TS22: renal tubule	Weak		5B	Low levels of expression in epithelial tubules deriving from metanephrogenic mesenchyme
TS22: cochlea epithelium	Present		5B
TS22: vibrissa epidermal component	Strong	Regionally restricted	5B	High levels of expression in ectodermal epithelium of external root sheath.

Structure	Level	Pattern	Image	Note
TS22: cochlea epithelium	Present		7C	Expression confined to sensory epithelium.

Structure	Level	Pattern	Image	Note
TS24: upper jaw skeleton	Absent		8B	No expression in bone tissue of upper jaw.
TS24: ethmoid bone	Weak	Regionally restricted	8B	Low levels of expression in perichondrium of ethmoid cartilages.
TS24: olfactory epithelium	Present		8B	Expression in olfactory epithelium of the nasal chamber.
TS24: mandible	Present	Regionally restricted	8B	Expression in nasal and mandibular mesenchyme that forms the soft tissue components of the face.
TS24: nasal mesenchyme	Present	Regionally restricted	8B	Expression in nasal and mandibular mesenchyme that forms the soft tissue components of the face.

Structure	Level	Pattern	Image	Note
TS17: mesenchyme derived from neural crest	Absent
TS17: yolk sac	Absent

Structure	Level	Pattern	Image	Note
TS20: thymus primordium	Absent
TS20: cochlea epithelium	Present

Structure	Level	Pattern	Image	Note
TS24: limb bone	Present	Regionally restricted		Expression only in growth zones of the limb plates.
TS24: dermis	Absent
TS24: vibrissa inner root sheath	Present			Expression in both inner and outer root sheath of whisker follicles.
TS24: vibrissa outer root sheath	Present			Expression in both inner and outer root sheath of whisker follicles.
TS24: vibrissa root sheath matrix	Absent			No expression in connective tissue sheath of the hair follicle.