Probe:	mRAR-gamma
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS20: embryo	Present	Regionally restricted	1_RAR-gamma
TS20: endocardial cushion	Present		1_RAR-gamma

Structure	Level	Pattern	Image	Note
TS17: head mesenchyme	Present	Regionally restricted	2A RAR-gamma	Transcripts were homogeneously distributed in the facial mesenchyme.
TS17: branchial arch	Present	Regionally restricted	2A RAR-gamma	Transcripts were homogeneously distributed in the pharyngeal arch mesenchyme.
TS17: 1st branchial arch mandibular component	Present	Uniform	2A RAR-gamma
TS17: 1st branchial arch maxillary component	Present	Uniform	2A RAR-gamma
TS17: fronto-nasal process mesenchyme	Present		2A RAR-gamma

Structure	Level	Pattern	Image	Note
TS20: pre-cartilage condensation	Present	Regionally restricted	2B RAR-gamma	Transcripts were detected in facial structures corresponding to precartilaginous mesenchymal condensations.

Structure	Level	Pattern	Image	Note
TS21: cartilage	Present

Structure	Level	Pattern	Image	Note
TS22: cartilage	Present
TS22: adrenal gland	Absent

Structure	Level	Pattern	Image	Note
TS22: submandibular gland primordium epithelium	Weak		2C RAR-gamma

Structure	Level	Pattern	Image	Note
TS22: molar mesenchyme	Present	Regionally restricted	3_RAR-gamma	Transcript signal was clearly seen in the dental sac mesenchyme.
TS22: molar dental papilla	Present	Regionally restricted	3_RAR-gamma	Transcripts were seen in the base of the dental papilla.
TS22: molar dental lamina	Trace		3_RAR-gamma

Structure	Level	Pattern	Image	Note
TS20: trachea mesenchyme	Present		4A RAR-gamma

Structure	Level	Pattern	Image	Note
TS22: lung	Weak	Uniform	4B RAR-gamma

Structure	Level	Pattern	Image	Note
TS20: liver	Absent
TS20: pancreas	Absent
TS20: pituitary gland	Absent
TS20: intraembryonic coelom	Absent			No significant labelling was found in the diaphragm.

Structure	Level	Pattern	Image	Note
TS20: genital tubercle	Present	Regionally restricted	6A RAR-gamma	Transcripts were absent from the central core but present in the distal tip of the genital tubercle.

Structure	Level	Pattern	Image	Note
TS22: genital tubercle of male	Present	Regionally restricted		Transcripts were uniformly expressed in the distal tip of the phallus, whereas they were excluded from the central core.

Structure	Level	Pattern	Image	Note
TS22: dermis	Present	Uniform	8B RAR-gamma
TS22: epidermis	Present	Uniform	8B RAR-gamma

Structure	Level	Pattern	Image	Note
TS17: nasal pit	Absent			Transcripts were undetectable in the ectodermal component of the olfactory pits.
TS17: Rathke's pouch	Absent

Structure	Level	Pattern	Image	Note
TS21: hindlimb	Present		9_RAR-gamma